Answer:
Stabilizing selection results in a decrease of a population 's genetic variance when natural selection favors an average phenotype and selects against extreme variations. In directional selection, a population's genetic variance shifts toward a new phenotype when exposed to environmental changes.
Explanation:
I don't bite, don't worry
What kind of animals are best suited to life in a desert? A. Animals that estimate during hot weather B. Animals that nest in tall trees C. Animals that hibernate during winter D. Animals that have thick layer of blubber or fu
Answer: A
Explanation: Process of elemination. A would have to be the best option
This image shows a single litter of kittens.how are they similar to one another?
The kittens in the image are similar to one another because they are the same size and have a similar fur color pattern.
What is a similarity?A similarity is a specific feature two organisms or elements share.
How to identify the similarities?Carefully observe the image.Observe the features that are alike.What are the similarities in the kittens?All the kittens have a similar size, which is likely because they are the same age.All kittens have a similar fur pattern that involves white belly with spots.Note: This question is incomplete because the photo is missing; below, I attached the photo:
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how would you go about pleading the case of Dred Scott to the Supreme Court?
Answer:
"Dred Scott case: the Supreme Court decision. The court also declared the 1820 Missouri Compromise unconstitutional, thus permiting slavery in all of the country's territories. The case before the court was that of Dred Scott v. Sanford. Dred Scott, a slave who had lived in the free state of Illinois and the free territory..."
Explanation:
The most common sweat glands that release a watery secretion are _________ sweat glands and modified sweat glands in the ear are called _________ glands.
Answer:
Eccrine and Apocrine
Explanation:
A population of white moths moves into an area dominated
by grey moths. How do you think the introduction of white moths will impact
the grey moths? Explain your answer
Answer:
During the industrial revolution in England, the soot from the coal burning factories started dominating the environment. The trees were also darkened as a result and the light-bodies moths that were able to blend with the light-coloured lichens and tree barks were in danger due to their predation by the birds. This lead to the rapid decrease in the light-colored moths. As a result, the moths got adapted to the blackened trees with their transformation into dark-coloured moths which Increased rapidly. This was because the allele for the dark-bodied moths is dominant and the allele for the light-bodied moths is recessive. Since birds would find and eat the light-bodied moths, dark-coloured moths increased as a result of natural selection. Thus, these moths with a favorable adaptation to the change in the environment were selected and they reproduced new offspring.
Explanation:
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A man and a woman have three children, all males. What is the probability that their next child will be a girl?.
Given what we know, we can confirm that the couple in question has a 50% chance that their next child will be a girl.
Why are the odds 1/2 ?This has to do with the fact that each child that the couple has is an independent event. While it is true that it is unlikely for the same event to occur many times in succession, the previous events do not influence the outcome of the next child.
Therefore, given that a child can be either male or female when born, the couple in question has a perfect 50% chance for their next child to be a girl.
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Ischemic cell damage is caused by a lack of blood flow, which deprives cells of Multiple choice question. A) sodium ions. B) potassium ions. C) oxygen. D) carbon dioxide. E) chloride ions.
Ischemic cell damage is caused usually due to blockage in the blood vessels and causes a lack of blood flow. It causes a shortage of oxygen which is needed for cellular reactions.
What is Ischemic cell damage?Usually, Ischemic cell damage is caused due to any blockage in the artery generally due to atherosclerosis.
Atherosclerosis causes the accumulation of plaque in the artery which is a hard and sticky substance made up of fat.
This plaque causes blockage and restricts the blood flow. It also causes the deprivation of oxygen to the cells.
Thus, the correct option is C.
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6. RNA receives information from DNA by
1 binding with a double helix as a third strand
2 matching with subunits of a single strand of
DNA
3 making an exact copy of the DNA molecule
4 accepting proteins through pores in the nu-
clear membrane
Answer:
2
Explanation:
because complementary RNA nucleotides bind with the template strand of DNA
Discuss the importance of a balanced diet.
Answer:
u need a healthy diet cause it gives u the nutrients and energy u need to survive. ur body is more prone to disease n infections if u dont have a balanced diet. immune system weakens if u eat nutrient-poor foods. also here's something i copy-pasted from a random website:
revents diseases and infections. When you eat the full range of vitamins, minerals and other nutrients you improve your immune system and your healthy diet may even help prevent diseases like cancer, heart disease, diabetes, and stroke.
Helps you control your weight. Most people at some point want to lose weight or gain weight – eating a balanced diet helps you control your weight and maintain it over time. It is not feasible to be on a weight-loss diet forever – a balanced diet is the only way to healthily control your weight in the long term.
Improves your mental health. Getting the right mix of nutrients can help to ease symptoms of depression and anxiety – looking after yourself by eating well is essential as you take steps to good mental health.
Good for growth. A balanced diet is crucial for children and adolescents. As the body grows it is important to receive the right nutrients so that cells are built and maintained and the body grows at the right pace.
Better skin and hair. A healthy balanced diet also improves your looks. Eating well contributes to healthy skin and hair and a “glow” that makes you look younger.
this isnt very science-y but i tried to help the best i could so this should give u starting off point. have a great day/night
Explanation:
in reference to carbon (IV) oxide, explain the concept of limiting factors in relation to photosynthesis
Answer:
As carbon dioxide concentrations increase, so too does the rate of photosynthesis until a certain point where the graph levels off. At lower carbon dioxide concentrations carbon dioxide is the limiting factor because an increase in carbon dioxide causes an increase in photosynthesis
Explanation:
brain leist bhe:)
The main purpose of cell division is
A. to produce more cells.
B. to produce cellular energy.
C. to remove cellular waste.
D. to absorb nutrients.
Answer:
Of the options available I would say that the correct answer is A. To produce more cells
Which of the following statements is not true?
a. The human body contains trillions of cells,
b. The cells that make up an organism must compete to survive.
c. Each human being began as a single cell,
d.cells inside your body are living, reproducing, and dying all the time.
Answer:
Explanation:
c each human being began as a single cells
how to get rid of a corpse pls help
Answer:
I didn't think I'll be teaching again about this someday...
1.Why did you do it
2.What did it do to you?
3. I'm hungry
4. I'll help you after eating
5. Bye
6. *munch munch*
7. Corny right?
8. Bye again
9. Bye, for real
10.
Answer:
Ground burial.
Cremation.
Immurement.
Sky burial.
Burial at sea.
Composting.
Dissolution.
Other less common.
Explanation:
hope this helps
Sugars manufactured in leaves are distributed to other plants parts through the phloem by a process know as
Sugars produced in leaves which are distributed to various parts through the phloem in a process called translocation.
How sugar is distributed?Sugar which is produced in the leaves during the process of photosynthesis are sent to other parts parts of the plant body in order to promote growth of other parts.
So we can conclude that Sugars produced in leaves which are distributed to various parts through the phloem in a process called translocation.
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PLEASE HELP MEEEEEE!!!!
Answer:
The answer to this question is D.
Explanation:
This is because it was affected by the wind because sand is very light. ALso, I already learned this stuff so I am kind of an expert ngl.
Which of the following is an example of non-consumptive water use?
A
water that enters a sewer system
B
water used for irrigation
C
water used in manufacturing processes
D
water used in food preparation
Answer:
A
water that enters a sewer system
Explanation:
Distention of the stomach has a direct stimulatory effect on the gastric glands. Group startsTrue or FalseTrue, selectedFalse, unselected
After eating, gastric distention stimulates the onset of movements, having a direct stimulating effect on the gastric glands.
What are gastric glands?They are made up of secretory cells of different types and are located in different regions of the stomach.
They secrete gastric juice that contains hydrochloric acid, pepsin and mucus, which acts mainly on the digestion of proteins, and promote the absorption of nutrients.
Therefore, we can conclude that the statement "Distention of the stomach has a direct stimulatory effect on the gastric glands" is true.
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Which model describes the movement of carbon dioxide and oxygen during
photosynthesis?
A. Plant - CO2 - 02
B. 02 - Plant - CO2
C. Plant - 02 - CO2
D. CO, - Plant - 02
Pls hurry
What is the desertification of the sahara? question 14 options: the expansion of the sahara desert the study of the sahara desert the shrinking of the sahara desert the population of the sahara desert
Desertification is the change of a normal land in desert. The expansion of the Sahara desert refers to the desertification of the Sahara.
What is Sahara desert?Sahara desert is in Morocco. It is famous for its variety of land features but is most famous because of sand dune fields.
Desertification can leads to the reduction of the vegetation-covered area. The Sahara desert also is constantly expanding at a faster rate.
The cause of Sahara desertification includes both natural processes such as climate and human activities.
Thus the correct option is A.
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Which of the following determined that the conduct need not seriously affect an employee's psychological well-being or lead the employee to suffer injury to be considered harassment?
Bill of Fair Treatment
U.S. Supreme Court
Anti-Harassment Policy of 1999
U.S. Congress
Answer:
Anti-Harassment Policy of 1999
Everglades National Park, part of an elliptical speck in southern Florida on your chapter map, is an example of a __________ biome.
Everglades National Park in Florida (United States) is a well-known example of a temperate deciduous forest.
What is a temperate deciduous forest?A temperate deciduous forest is a type of biome characterized by deciduous trees whose leaves drop in the fall.
These biomes (temperate deciduous forests) are also characterized by their abundant moisture.
Everglades National Park includes two different biomes: temperate deciduous forest and flooded grassland.
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what is NCF for nucleolus?
Answer:
The NCF and PAG are brainstem nuclei involved in a network mediating anti- and pro-nociception, as largely shown from animal data (Fields and Basbaum, 1999 for a review, [Porreca et al., 2002] and [Gebhart, 2004]). Human imaging studies have shown that the PAG and NCF are activated during visceral and somatic pain (Dunckley et al., 2005) and that the NCF plays a key role in the development of experimental secondary hyperalgesia via possible facilitatory pro-nociceptive mechanisms (Zambreanu et al., 2005). The NCF and PAG have been shown to be important in brainstem modulation of pain in humans (Zambreanu et al., 2005), and connections to these nuclei provide an anatomical basis for results of recent studies involving pain control and perception ( [Lorenz et al., 2003], [Valet et al., 2004] and [Wager et al., 2004]). The NCF has recently been shown to be critical for the generation of secondary hyperalgesia in humans
Explanation:
The NCF and PAG are brainstem nuclei involved in a network mediating anti- and pro-nociception, as largely shown from animal data (Fields and Basbaum, 1999 for a review, [Porreca et al., 2002] and [Gebhart, 2004]). Human imaging studies have shown that the PAG and NCF are activated during visceral and somatic pain (Dunckley et al., 2005) and that the NCF plays a key role in the development of experimental secondary hyperalgesia via possible facilitatory pro-nociceptive mechanisms (Zambreanu et al., 2005). The NCF and PAG have been shown to be important in brainstem modulation of pain in humans (Zambreanu et al., 2005), and connections to these nuclei provide an anatomical basis for results of recent studies involving pain control and perception ( [Lorenz et al., 2003], [Valet et al., 2004] and [Wager et al., 2004]). The NCF has recently been shown to be critical for the generation of secondary hyperalgesia in humans
What can skeletal remains reveal about the identity of a person?.
Answer:
ancestry, stature, age, disease and any fatal injuries.
Explanation:
Which energy producing process takes place in this organelle
Answer: chemical energy
Explanation:
Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate (ATP).
How does differential gene expression control organismal development?.
Epigenic inheritance controls what genetic materials end up in each of the different cells. This determines its fate…
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What is the main type of weathering in deserts?
a. physical weathering
b. weathering by organic acids
c. chemical weathering
The two main types of weathering which occur in deserts are Mechanical weathering, which is the disintegration of a rock by mechanical forces that do not change the rock's chemical composition and Chemical weathering, which is the decomposition of a rock by the alteration of its chemical composition.
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The structural continuity between the cornea and the sclera is called:.
Explanation:
i think Limbus ..........
The graph shows the effect of temperature on the activity of an enzyme.
At what temperature is the enzyme producing the most product?
A 10°C
B 26°C
C 34°C
D 40°C
Help me right now!
What does this mean in your own words?
The amount of carbon dioxide (CO2) in a solution is one of the many factors that determines the pH of water. As pH levels fluctuate during the day due to photosynthesis, respiration, and decomposition; the extremity of these changes depends on the alkalinity of the water which is influenced by CO2 levels. When CO2 levels increase in water, the pH level drops, which makes the water become more acidic.
Answer:
Carbondioxide will Change to carbonate
The oscar is an aggressive fish native to South America. Many people in Florida keep oscars as pets. When these fish outgrow their aquariums, people sometimes release them into the Everglades. The largemouth bass was abundant in the Everglades until the oscar population increased. Today, oscars are much more common in the Everglades than largemouth bass. Which of the following would be the best method to increase the largemouth bass population in the Florida Everglades?
A. Move more largemouth bass into the Florida Everglades
B. Introduce a species of fish that will eat the oscars
C. Increase the food supply for both largemouth bass and the oscars
D. Make it illegal to release South American fish into the Everglades
The best method to increase the largemouth bass population in the Florida Everglades is to increase the food supply for both largemouth bass and the oscars
What are invasive species?Invasive species are species of organisms which when introduced into a new habitat are able to dominate and take over the resources of that habitat while displacing original species of organisms found there.
The oscars are invasive species and has taken over the habitat of the largemouth bass population in the Florida Everglades.
The best method to increase the largemouth bass population in the Florida Everglades is to increase the food supply for both largemouth bass and the oscars as this will allow both species to grow independently.
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