Answer: The endocrine and nervous systems help detect changes in either the internal or the external environment and respond to those changes. Organ systems use feedback mechanisms to maintain homeostasis. Negative feedback is a control system that helps the body maintain homeostasis by sending a signal so stop a response.
Explanation:
Answer the following questions
2. How do humans help to disperse seeds?
Answer:
Explanation:
Humans also play a major role in dispersing seeds when they carry fruits to new places, throwing away the inedible part that contains the seeds. All of the above mechanisms allow for seeds to be dispersed through space, much as an animal's offspring can move to a new location.
Answer:
Humans help to disperse seeds in several ways. One way is by eating various fruits and vegetables and throwing their seeds after eating. These seeds when they get adequate conditions for germination grow to become plants123. Humans also play a major role in dispersing seeds when they carry fruits to new places, throwing away the inedible part that contains the seeds
Explanation:
according to bygren and pembrey what enviornmental factor in a granfather could increase the likelihood of diabetes in a grandson.
According to Bygren and Pembrey, exposure to famine and overnutrition are environmental factors in a grandfather which can possibly increase the risk of diabetes in the grandson.
Bygren and Pembrey are researchers who happened to propose the theory of epigenetic inheritance, which basically suggests that environmental factors can cause changes in gene expression that are passed down from one generation to the next.
According to the researches conducted by them, environmental factors like exposure to famine as well as overnutrition in grandfathers can increase the likelihood of diabetes in grandsons which can be due to changes in gene expression caused by famine exposure that are passed down through epigenetic mechanisms.
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An embryo is an early,
pre-birth stage of an
organism’s development
(5 Points)
Fossil Record
Geographic Distribution
Comparative Anatomy
Comparative Embryology
Comparative Biochemistry
The statement "An embryo is an early, pre-birth stage of an organism’s development" is correct.
Definition of Fossil Record, Geographic Distribution, Comparative Anatomy, Comparative Embryology and Comparative Biochemistry?Fossil Record: The fossil record provides a chronological record of the history of life on Earth, including the evolution of various species over time.
Geographic Distribution: The study of the geographic distribution of different species can provide evidence for evolution and the relatedness of different organisms. For example, the distribution of marsupial mammals in Australia and South America is evidence of the evolutionary history of these two regions.
Comparative Anatomy: Comparative anatomy involves the study of the similarities and differences in the anatomy of different organisms. It can provide evidence for evolution and the relatedness of different organisms. For example, the similarities in the bone structure of the forelimbs of vertebrates is evidence of their shared evolutionary history.
Comparative Embryology: Comparative embryology involves the study of the similarities and differences in the development of different organisms. It can provide evidence for evolution and the relatedness of different organisms. For example, the similarities in the early embryonic development of different vertebrates is evidence of their shared evolutionary history.
Comparative Biochemistry: Comparative biochemistry involves the study of the similarities and differences in the chemical processes of different organisms. It can provide evidence for evolution and the relatedness of different organisms. For example, the similarities in the DNA and protein sequences of different organisms is evidence of their shared evolutionary history.
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The more diverse, the species, the blank, an ecosystem is
Answer:
Explanation:A more diverse ecosystem has more ecological niches, more feeding relationships among organisms, more organisms that capture energy,
And more species that recycle organic nutrients into inorganic forms.
Is a more diverse ecosystem more stable?
Greater biodiversity in ecosystems, species, and individuals leads to greater stability.
For example, species with high genetic diversity and many populations that are adapted to a wide variety of conditions are more likely to be able to weather disturbances, disease, and climate change.
Thus, more diverse ecosystem has more ecological niches, more feeding relationships among organisms.
Which are these ecosystems?
Which law?
Your teammate pushes you on the hovercraft. You accelerate to
a thrilling speed.
Another person joins you on the hovercraft. Your teammate
pushes you just as hard, but this time the ride is less exciting.
This scenario can be explained by Newton's second law of motion, which states that the force acting on an object is equal to its mass multiplied by its acceleration (F = ma).
Scenarios:
In the first scenario, there was only one person on the hovercraft, so the force from the teammate's push caused a greater acceleration (a = F/m) and resulted in a more thrilling ride.
In the second scenario, there were two people on the hovercraft, so the total mass was greater. Even though the teammate pushed with the same force as before, the acceleration was less (a = F/m) because the mass was greater, resulting in a less exciting ride.
What is motion?
Motion refers to the change in position of an object over time with respect to a reference point. It is typically described in terms of the object's displacement, velocity, and acceleration. Displacement refers to the change in position of the object from its initial position to its final position, while velocity refers to the rate of change of displacement over time. Acceleration refers to the rate of change of velocity over time, and can be positive (speeding up), negative (slowing down), or zero (constant velocity).
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Why is Chagas disease hard to treat?
What is the largest zone in the ocean?
Group of answer choices
benthic zone
neritic zone
oceanic zone
photic zone
The largest zone in the ocean is oceanic zone.
The benthic photic zone: what is it?From the seashore to the deepest portions of the ocean floor, the benthic realm (or zone) covers the whole surface of the water. The photic zone, or area of the water where light can enter, is located within the pelagic realm (approximately 200 m or 650 ft).
What area of the marine biome is the largest?The aphotic zone, often known as the deep sea, is where the ocean is the deepest. Here, the water is extremely chilly, entirely black, and lacking in nutrients. The deep sea is the largest ecosystem on the planet because it accounts up 80% of all habitats.
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what is process of reproduction
It is through biological reproduction that new, unique species are produced. The two types of reproduction are sexual and asexual.
Two parents contribute genetic material during sexual reproduction to create unique offspring1. Gametes (sperm and egg) from two parents combine during sexual reproduction to create a zygote. After that, the zygote goes through cell division and differentiation to develop into an embryo.
A zygote is what?
A zygote is a eukaryotic cell created when two gametes fertilize one another. To put it another way, it is the first cell created when two gamete cells (egg and sperm) unite during sexual reproduction. The zygote has all the genetic material needed to develop into a new person.
Asexual reproduction involves the creation of genetically identical offspring by a single parent. Many processes, including binary fission, budding, fragmentation, and vegetative propagation, can lead to asexual reproduction.
Describe binary fission.
Asexual reproduction known as binary fission occurs when a single creature splits into two separate organisms4. Bacteria and other prokaryotic species frequently exhibit this process.
The organism separates into two pieces (cytokinesis) after duplicating its genetic material (DNA), with each new organism acquiring one copy of DNA.
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(I WILL MARK BRAINLIEST) After reading the excerpt, describe what happened in 1977 and 1984 as it relates to competitive advantage.
"In 1977, there was a severe drought on Daphne Major. All the vegetation on the island was affected. Most of the finches died. The birds quickly ate all the small, soft seeds. In time, only the large, tough seeds remained. During this drought, when food was scarce, the small finches with smaller beaks died. The finches with larger, stronger beaks that could eat the harder seeds survived. The Grants found that the offspring of the birds that survived the 1977 drought tended to be larger and have bigger beaks. Now, in 1984 1985, the Grants studied the birds during a season with heavy rainfall. They found that during the year with heavy rainfall, the birds that were best able to consume the small, soft seeds survived and reproduced, while the birds that could only eat the heavier seeds died. Those birds then produced offspring that had beaks that were suitable for eating small, soft seeds. The birds that had the beaks that were most useful for consuming the type of seed that was most abundant in any given season had competitive advantage over other birds. Species with a competitive advantage in a given environment have a greater chance of surviving and reproducing. The Grants found that adaptations can occur within a few generations."
Answer:
The example of the finches on Daphne Major island illustrates the concept of competitive advantage, which refers to a species' ability to thrive and reproduce in a particular environment compared to other species. In the case of the finches, those with beaks that were best suited for the type of seed available in each season had a competitive advantage over other birds. During the 1977 drought, only the large, tough seeds remained, and the finches with larger, stronger beaks had a competitive advantage over those with smaller beaks, allowing them to survive and pass on their advantageous traits to their offspring. In 1984-1985, during a season of heavy rainfall, the finches with beaks suitable for consuming small, soft seeds had a competitive advantage. The finches' ability to adapt to the changing environment and exploit the available food sources gave them a competitive advantage and enabled their species to survive and reproduce. Understanding the concept of competitive advantage is crucial to understanding how species evolve and adapt over time.
The example of the finches on Daphne Major island exemplifies the idea of competitive advantage, which refers to a species' ability to thrive and reproduce in a specific environment relative to other species. In the instance of the finches, those with beaks best suited to the type of seed available at the time had a competitive advantage over other birds. Only the large, tough seeds survived the 1977 drought, and the finches with larger, stronger beaks had a competitive advantage over those with smaller beaks, enabling them to survive and pass on their advantageous traits to their offspring. During a period of heavy rainfall in 1984-1985, finches with beaks suited for consuming small, soft seeds had a competitive advantage.
What is a non-example of edge effect?
Explanation:
A non-example of edge effect would be a homogeneous, single ecosystem without any transition zone or boundary. Edge effect refers to the changes that occur at the boundary between two different ecosystems, such as a forest and a grassland or a beach and a dune system. Therefore, if there is no distinct boundary between two different ecosystems, or if there is only a single ecosystem, then there would be no edge effect.
Based on prior studies, a researcher makes an educated guess, which
predicts what will happen in an experiment before doing the study.
What is the term used to describe this anticipation?
A the informed consent
B the hypothesis
C the population
D the debriefing
The term used to describe an educated guess, which predicts what will happen in an experiment before doing the study is a hypothesis.
The correct option is B.
What is a hypothesis?A hypothesis is a proposed explanation or prediction for a phenomenon or observed event, based on limited evidence or prior knowledge.
It is an educated guess or tentative explanation that can be tested through further investigation and experimentation.
Hypotheses are an important part of the scientific method, as they provide a starting point for scientific inquiry and help guide the development of experiments or studies.
They can be refined, modified, or rejected based on new evidence and are an essential tool for advancing our understanding of the natural world.
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The stomach mucosa is thickened due to the abundance of _________
The quantity of gastric glands, which release pepsinogen, hydrochloric acid, and other digesting enzymes, causes the stomach mucosa to thicken.
What causes stomach mucosa?When the stomach lining is damaged or weakened, gastropathy results (mucosa). There are numerous potential causes of the problem, including: Alcohol abuse: Extended drinking can irritate and harm the lining of the stomach. Autoimmune disease: In certain patients, the immune system attacks the healthy cells that line the stomach.
Why is the mucosa layer in the stomach so thick?The gastric mucosa has two main functions: to shield the stomach wall from acid and digestive enzymes and to lubricate the food masses in the stomach and allow movement inside the stomach.
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How can a cell's design and function explain creation?
The design and function of cells may be seen as evidence of creation can be explained through the principles of evolution and natural selection.
How design and function of a cell contribute to creationFrom a scientific perspective, the design and function of cells can be explained through the principles of evolution and natural selection.
Through gradual changes over time, cells have evolved to become more complex and specialized, with each component serving a specific purpose.
The process of natural selection has allowed cells to adapt to changing environments and to develop new functions that increase their chances of survival.
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Part F Compare your finished model of the solar system to the predictions you originally made about the planets comparative sizes and distances. In what ways were your original predictions about the scale of the solar system correct or incorrect? How has your understanding of the scale of the solar system changed?
Through knowledge of the Hadean Era, when the solar system was still forming, our comprehension of the solar system has changed.
The Solar System is what?This is a reference to the solar system, which consists of the sun and nine planets that orbit one another.
How has the solar system's paradigm evolved?More precise measurements of objects in the night sky were made feasible with the development of the telescope. This led to a significant change from an Earth-centered (geocentric) view of the Universe to a Sun-centered one, along with the creation of a more "scientific" interpretation of the gathered evidence. (heliocentric).
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Organisms striving for the same resources in the same place is an example of -. O Commesalism O Parasitism O Cooperation O Competition
A biological interaction known as competition occurs when organisms of the same species or other species that rely on the same resources in the same environment come into contact.
What is it that organisms are vying for in the same location?Organisms that compete for the same resources in the same environment are in a relationship. Food, water, or space are some examples of the resources. Two distinct categories of competition exist: Members of the same species compete with one another within their own species.
When two organisms of the same kind are present in the same place at the same time, what can happen?A population is a grouping of individuals who are local inhabitants, members of the same species, and engaged in regular interbreeding.
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Why is solar energy a viable alternative energy resource? (1 point)
O It comes from organic plant materials.
OIt produces minimal air pollution.
It has an endless supply.
O It costs almost nothing to harness.
Answer: I believe the answer would be that it has an endless supply.
Explanation: The main advantage is that it is a renewable, clean source of electricity. Solar power is also scalable. This means that it can be deployed on an industrial scale, or it can be used to power a single household.
What does this image demonstrate?
These are homologous structures.
Homologous structures are similar physical features in organisms that share a common ancestor, but the features serve completely different functions.
machine we used to separate the cells
The kind and amount of cells being separated, together with the specific requirements of the experiment or application, all influence the machine that is used for cell separation.
Depending on the particular application and the kind of cell separation, a variety of machines might be employed. Typical illustrations include:
A centrifuge is a device that employs centrifugal force to separate liquid or suspension components according to their densities.Flow cytometer: A flow cytometer is a device that analyses and sorts cells according to their size, shape, and other features using laser beams.Magnetic beads coated with antibodies are used in the magnetic-activated cell sorting (MACS) method to separate cells according to certain surface markers.Microfluidic devices: Microfluidic devices control fluids and cells on a microscopic scale by using minuscule channels and valves.learn more about cell separation,
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Would it make a difference if the photographer of this image intended to hang it in a gallery as “art?” What if the goal of the artist was to make viewers mad or uncomfortable? What if the artist created this image as a way to engage viewers in critiquing both Native American and non-Native American cultures?
Yes, the intention of the photographer and artist can significantly impact the interpretation and reception of the image. If the photographer intended to hang the image in a gallery as "art," it suggests that they intended it to be seen as a creative expression or a commentary on a particular subject.
What if the goal of the artist was to make viewers mad or uncomfortable?Similarly, if the goal of the artist was to make viewers mad or uncomfortable, it suggests that the image was meant to provoke an emotional response and potentially challenge the viewers' perspectives.
If the artist created the image as a way to engage viewers in critiquing both Native American and non-Native American cultures, it suggests that the image was created to spark conversation and encourage critical thinking about important social issues.
Overall, the intentions behind the creation and display of an image can greatly impact the way it is perceived and received by viewers.
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Improved access to meat and dairy products is especially important in countries where malnutrition is an issue because they provide more:
Question 33 options:
potent sources of dietary fiber.
refined carbohydrates.
vitamins and minerals.
concentrated sources of protein.
Option D In nations where hunger is a problem, increased availability to meat and dairy products is crucial since they contain more nutrients Because vitamins and minerals in malnutrition.
Milk and dairy products might be crucial for a varied diet. When ingested in the right quantities, they are nutrient dense and offer high quality protein and micronutrients in an easily absorbed form that can help both healthy individuals and those who are nutritionally fragile.
Calcium, protein, vitamin D, potassium, and phosphorus are among the minerals abundant in dairy products that are crucial for maintaining healthy bones . Appropriate calcium consumption affects the retention of skeletal calcium during growth and, consequently, the peak bone mass attained in early adulthood.
Inadequate or excessive nutritional intake, an imbalanced intake of essential nutrients, or inefficient nutrient utilisation are characteristics of malnutrition. Undernutrition as well as overweight and obesity are two consequences of malnutrition.
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True or False?
The most immediate result of a mutation will be a change
in an organism's trait.
Which of the following can be classified as a consumer? A. Herbivore B. Carnivore C. Scavenger D. All of these
The answer is option D. All of these can be classified as consumers.
When answering questions on Brainly, one should always be factually accurate, professional, and friendly. Answers should be concise and not provide extraneous amounts of detail. Any typos or irrelevant parts of the question should be ignored.
The terms relevant to the question should be included in the answer.In this question, What are consumers?Consumers are heterotrophic organisms that depend on other living beings to obtain their food.
Consumers are also known as primary or secondary consumers. Herbivores, carnivores, and scavengers are all classified as consumers because they rely on other organisms for sustenance.An herbivore is a consumer that feeds on plants.
A carnivore is a consumer that feeds on other animals. A scavenger is a consumer that feeds on dead animals. All of these are examples of consumers because they obtain their food from other organisms.
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Gretta draws a phylogenetic tree for plants. She makes a list of flowering plants, gymnosperms, seed plants, vascular plants,
and nonvascular plants. How does she organize her phylogenetic tree? Select all that apply.
a. She draws branches for flowering plants at the beginning of her tree.
b. She draws branches for gymnosperms at the beginning of her tree.
c. She draws branches for simple land plants after the branches for flowering plants.
d. She draws branches for flowering plants next to each other.
e. She draws branches for gymnosperms next to nonvascular plants.
f. She draws a branch for gymnosperms after the branches for vascular plants.
b. She draws branches for gymnosperms at the beginning of her tree.
c. She draws branches for simple land plants after the branches for flowering plants.
f. She draws a branch for gymnosperms after the branches for vascular plants.
What is the Gretta's organization of her phylogenetic tree?Gretta's organization of her phylogenetic tree likely follows the current understanding of plant evolution. Gymnosperms are considered to be one of the earliest groups of plants to evolve and are therefore placed at the beginning of the tree.
Flowering plants, also known as angiosperms, are a more recent group of plants that evolved after gymnosperms and are placed after gymnosperms in the tree. Simple land plants, which include nonvascular plants, are thought to have evolved before vascular plants, and are therefore placed after flowering plants. Vascular plants, which include both gymnosperms and angiosperms, are a diverse group of plants that evolved a system of tubes for transporting water and nutrients throughout the plant. Gymnosperms and angiosperms are placed in separate branches of the tree after the branches for simple land plants.
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compare specific and non specific responses
3. Which type of weather is usually associated with a cumulus cloud?
A fair
B. humid
c. foggy
D. stormy
What are three reasons why early hominin fossils are so hard to find? (max 3 sentences)
Answer:
They are very deep, and there are very few of them.
Explanation:
Often all the fossils are buried deep underground.
The change in red blood cell volume in principally due to the movement of:
1.serum
2.oxygen
3.water.
4.salt
The change in red blood cell volume is primarily due to the movement of water. The correct answer is 3.
Red blood cells, or erythrocytes, have the ability to regulate their volume through the process of osmosis. Osmosis is the movement of water across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration.
In the case of red blood cells, they contain certain solutes, such as ions and proteins, that contribute to their internal solute concentration. When the surrounding environment has a higher solute concentration, water moves into the red blood cells to equalize the concentration. This causes the cells to swell and increase in volume.
Conversely, when the surrounding environment has a lower solute concentration, water moves out of the red blood cells, leading to their shrinkage and decrease in volume. This osmotic movement of water plays a crucial role in maintaining the proper volume and shape of red blood cells, which is essential for their optimal functioning in carrying oxygen and nutrients throughout the body.
While serum (option 1), oxygen (option 2), and salt (option 4) may influence red blood cell function and physiology in various ways, the primary factor responsible for the change in red blood cell volume is the movement of water through osmosis. Therefore, the correct answer is 3.
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describe the appearance of some of the organelles in a yeast cell
Appearance of yeast cells
Yeast cell size varies widely – some yeasts may be only 2–3 mm in length, while other species may reach lengths of 20–50 mm. Cell width is less variable at about 1–10 mm. Under a microscope, Saccharomyces cerevisiae cells appear as ovoid or ellipsoidal structures, surrounded by a rather thick cell wall (Figure 2.1).
Disadvantages of CAFOs include all of the following EXCEPT:
Question 36 options:
Animals achieve necessary weight quickly
Small-scale and independent operations pushed out of business
Concentrated waste must be stored or eliminated safely
Treatment of animals often considered unethical
Option A Animals achieve necessary weight quickly. Even require more space than other types of animal husbandry, negative impact on the environment concentrated animal feeding operation(CAFO).
Contamination may lead to the buildup of nitrate and other nutrients in surface water. In the vicinity of CAFOs, ammonia is regularly found in the surface waters. Ammonia decreases water oxygen levels, which can kill aquatic life.
A CAFO, or concentrated animal feeding operation, is a term used to describe a large-scale cattle enterprise. Even the smallest CAFO produces enough waste in the form of urine and faeces to equal 16,000 human beings.
Regardless of the health and growth circumstances of the animals, factory farms, also known as operators of concentrated animal feeding operations (CAFOs), are focused in maximising their production efficiency to raise their profits. The fact that many firms favour quick expansion and production over animal welfare may be a key indicator that they are more concerned with profits than they are with the quality of their output.
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