Answer:
Precipitation, water availability, sunlight, and temperature are all abiotic factors. Deserts are characterized by their lack of rainfall. Although we usually think of deserts as being hot, some deserts can be cold too. Biotic factors are all the living things in an ecosystem. So organisms such as cacti and the kangaroo rat.
Human embryos have tails, which become tail bones before birth. Tails also appear in fish, reptiles, amphibians, birds, and mammals. Humans also have hair and produce milk to nourish the young, which is unique to mammals. What does this indicate
Answer: the answers are 1. They are vestigial structures that once performed... 2. imprints of leaves or footprints... 3. homo erectus... 4. the early stages of embryo... 5. a close evolutionary connection between humans and many other mammals
Explanation: 100% correct as of april 2022
Human embryo have many characters that disappear during their growth. Tail bone is vestigial in humans, they have hair and produce milk indicates that these are mammal.
What is mammal?Mammals are the animals that have some unique feature like giving birth to young once, have mammary gland, having body hair, etc.
The appearance of tail in mammals just like fish, amphibians shows evolution.
Humans have hair and mammary gland which produce milk to nourish the young means they belongs to mammals.
Thus, all these characteristics shows the evidences of evolution.
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Glucose is converted to ethyl alcohol and carbon dioxide in _____.
A.Krebs cycle
B. Glycolysis
C.Aerobic respiration
D. Alcoholic fermentation
Answer:
D. Alcoholic fermentation
Explanation:
^
Quickly I need help with this
Answer:
you are right though?
what do you need?
Explanation:
What is a target cell?
Answer:
a cell which bears receptors for a hormone, drug, or other signaling molecule
Explanation:
Answer:
Look I have got negative points on the brainly app
Explanation:
Codocyte
Description
Codocytes, also known as target cells, are red blood cells that have the appearance of a shooting target with a bullseye. In optical microscopy these cells appear to have a dark center surrounded by a white ring, followed by dark outer second ring containing a band of hemoglobin
The portion of the cell cycle when the cell is growing and does not contain a replicated genome is referred to as:
The portion of the cell cycle when the cell is growing and does not contain a replicated genome is referred to as Growth 1 (G1) phase.
What is the cell cycle?The cell cycle refers to the process from which a cell is born until it dies, which involves interphase and a mitotic phase.
The interphase can be in turn divided into a Growth 1 (G1) phase, ad synthesis (S) phase, and a Growth 2
The S phase is the specific period where the DNA is duplicated (DNA replication) during the cell cycle.
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Give 2 facts about how organism responds to the environment. What can they do and how
Answer: there are some organisms that effect the environment negatively and sometimes positively
Explanation: such has harmful bacteria
match each description with the appropiate item.
A. Deforestation
B. Paper, lumber and head for homes
C. Renewable resource
D. Human population growth
____ 1. Something that can be used repeatedly because it can be replaced
____ 2. A reason deforestation is a larger problem today
____ 3. Ways we use trees
____ 4. Clearing a forest and replacing it with non forest uses
Answer:
C
D
B
A
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What is the difference between antibody immunity and cellular immunity?
a) antibody immunity uses B cells; cellular immunity uses different types of both B and T cells
b) antibody immunity uses both B and T cells; cellular immunity doesn't use any type of cell
c) antibody immunity doesn't use any cells; cellular immunity uses different types of T cells
d) antibody immunity uses B and T-helper cells; cellular immunity uses different types of T cells
e) antibody immunity uses T cells; cellular immunity uses different types of B cells
Answer:
D) antibody immunity uses B and T-helper cells; cellular immunity uses different types of T cells
In bacterial cell division, the cell divides into two nearly equal halves. This process is referred to as:
In bacterial cell division, the cell divides into two nearly equal halves. This process is referred to as mitosis.
To answer the question, we need to know what cell division is
What is cell division?This is the process in which parent cells divide into two or more daughter cells.
There are two types of cell division namely
Mitosis and MeiosisMitosisMitosis is the process in which non-reproductive (somatic) parent cells divide into two daughter cells that have the same number of chromosomes as the parent cell.
MeiosisMeiosis is the process in which reproductive parent cells divide into four daughter cells with half the chromosoes of the parent cells.
From this, we see that cell division in which the cell divides into two nearly equal halves is refered to as mitosis.
So, in bacterial cell division, the cell divides into two nearly equal halves. This process is referred to as mitosis.
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How might the negative impact of tourism on marine ecosystems be minimized?
Answer:
Explanation:
The negative impact of tourism on marine ecosystems be minimized using following methods :- Government should put restrictions on tourist visits on some specific marine tourists spots and only allow only specific people to visit that area at a particular time.- All the marine ecosystems should be cleaned regularly and throwing of garbage should be banned.- Proper management system should be implemented for the protection of marine ecosystems.- Endangered species and coral reefs should be handled using preventive measures by the government.
The external ear is composed primarily of the __________ and the external acoustic meatus.
Answer:
The external ear is composed primarily of the auricle and the external acoustic meatus.
Explanation:
Which of the following is a benefit of direct air capture technology?
I. Removal of carbon from the atmosphere
II. Sustainable use of fossil fuels
III. Recreation of fuels
Direct air capture technology involves extracting CO₂ directly from the air using chemical reactions and then storing it, its direct benefit is that it can be used to reduce CO2 emissions.
What is direct air capture technology?It is a technological process that separates CO2 emissions directly from the air.
It uses large fans to suck in ambient air, which is then passed through a liquid solvent to separate the CO2, which can be used directly or stored geologically.
Therefore, we can conclude that direct air capture technology has as a benefit that it can be used to reduce CO2 emissions.
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Which of these is the most likely consequence of rising petroleum prices?
A. Increased interest in public transportation
B. Falling transportation costs
C. Lower gasoline prices
D. Less demand for electric cars
Answer: Increased interest in public transportation
Explanation: got it right
Due to public transportation, more vehicles need more petroleum, leading to an increase in petroleum prices, hence option a is correct.
How are petroleum prices rising?Petroleum prices are likely to have risen as a result of both increased demand and worries about supply interruptions. Global demand for oil has been rising, exceeding any increases in supply and surplus capacity.
One major reason is that developing countries, particularly China and India, have been quickly rising. These economies have grown more industrialized and urbanized, contributing to an increase in global demand for oil.
This is because transportation costs will rise, raising the prices of numerous commodities. This is cost-push inflation, as opposed to inflation produced by increased aggregate demand excess growth.
Therefore increased interest in public transportation, leads to rising petroleum prices, hence option a is correct.
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A restriction enzyme that uses a six (6) base recognition sequence will cut DNA, on average, every ________ bases, if all four nucleotides are present in equal proportions.
A restriction enzyme that uses 6 bases will cut DNA on average every 4096 bases if all four nucleotides are present in equal proportions.
What is a restriction enzyme?A restriction enzyme is a specific enzyme that cut the nucleotide sequences (either DNA or RNA) in a specific sequence.
The restriction enzymes are very useful to cut DNA in molecular biology laboratories (recombinant DNA technologies).
In conclusion, a restriction enzyme that uses a 6 bases will cut DNA on average every 4096 bases, if all four nucleotides are present in equal proportions.
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The data shows the changes in temperature and the concentration of carbon dioxide (CO2) in Earth’s atmosphere during the past eight hundred thousand years.Which statement describes the overall relationship between the concentration of carbon dioxide and atmospheric temperature?
A The temperature of Earth increases with a decrease in atmospheric carbon dioxide.
b The temperature of Earth increases with an increase in atmospheric carbon dioxide.
c The temperature of Earth remains unchanged with an increase in atmospheric carbon dioxide.
d The temperature of Earth remains unchanged with a decrease in atmospheric carbon dioxide.
The statement 'the temperature increases with an increase in atmospheric carbon dioxide' describes the relationship between carbon dioxide and temperature.
What is global warming?Global warming is a climate phenomenon by which the temperature is increasing due to the release of greenhouse gases.
These greenhouse gases are mostly generated by human activities (e.g., industrial activities).
It has been shown that an increase in the emission of greenhouse gases is associated with global warming.
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Which of the following would you expect to see in a positive feedback system?
1. a reduction in output
2. a magnification of output
3. a stabilization of output
4. a movement toward equilibrium
Answer: a magnification of output
Explanation: positive feed back means that you should be able to do the same amount of work but have a greater output
In the living adult human, the esophagus is about ______ centimeters long, andmost of its length is within the thorax, directly anterior to the ______.
In the living adult human, the esophagus is about 25 centimeters long, and most of its length is within the thorax, directly anterior to the vertebral bodies.
What is the esophagus?The esophagus is a like-tubular structure of the digestive system that serves to transport foods during digestion.
The esophagus is composed of muscular walls that link the pharynx structure with the stomach in the digestive system.
Moreover, the vertebral bodies are thick segment (bone) structures of the skeletal system.
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While two pieces of fabric may have the same
investigators may be able to find differences in their
color, spectral patterns
luminosity, molecules
transparency, weave
chemical composition, shape
Answer:
I think the answer is luminosity, molecules
Explanation:
They may have the same luminosity but there molecules ar diffrent.
Answer:
Its color, spectral patterns
Explanation:
i got it right on the quiz
Relative Age allows for geologists to get the exact age of a rock.
True or False
the given statement is true
The ion that triggers the release of acetylcholine into the synaptic cleft is.
Answer:
calcium influx
Explanation:The calcium influx triggers synaptic vesicles, which package neurotransmitters, to bind to the presynaptic membrane and to release acetylcholine into the synaptic cleft by exocytosis.
Compare directional selection and disruptive selection.
Answer:
Directional selection vs Disruptive Selection
Explanation:
Directional selection leans to a phenotype that is more fittest to the environment of a species, directional selection favors a phenotype extreme values for a trait over medium ones
how are saprophytic plants different from parasitic plants?
Answer:
Parasite lives on a living organism whereas a saprophyte lives on dead and decaying matter. It lives on a living source known as the host for its nutritional requirements. It lives on dead and decaying matter for its nutritional requirements
The most abundant formed elements of the blood are:.
What are the most common forms of genetic differences in the human genome?.
Answer:
single nucleotide polymorphisms are the most abundant type of genetic variation in the human genome in terms of thieir number
Which body organs has the muscles which never fatigue ?
Answer:
the heart...I has the cardiac muscle which never gets tired
How do matters differ and what explains that differences?
What is matter?
~ Matter is something which all physical objects are believed to be made of -- it is a material substance that occupies space, possesses mass, and is made up mostly of atoms (basic unit of matter) which consists protons, neutrons, and electrons, that constitutes the observable universe.
The states of matter~ State of matter is the distinction or the difference in forms of matter we can observe in our daily life. The 5 states of matter thus far are; solid, liquid, gas, plasma, and bose-einstein condensate.
DifferencesMatters differ in characteristics, appearance and compositions. Written here are the basic differences in 3 most fundamental states of matter.
Solid - a matter which composed of rigid and closely packed particles -- particles move only via vibrations. Has definite shape and definite volume.
Liquid - particles can move back and forth, not too tightly packed -- has definite volume but with no definite shape.
Gas - the particles in gas are relatively far apart compared to solid and liquid, they're moving fast back and forth/side to side, and bouncing nonstop. Gas neither have definite shape nor volume, and is way compressible than solid and liquid.
Which body of water is home to the esno cycle?
Answer:
The El Niño-Southern Oscillation (ENSO) is a recurring climate pattern involving changes in the temperature of waters in the central and eastern tropical Pacific Ocean.
Answer:
Central and Eastern tropical Pacific Ocean
Which of the following is the path of a nerve impulse through a neuron? A. Terminal branches - axon - cell body - dendrite B. Dendrite - cell body - axon - terminal branches C. Cell body - dendrite - terminal branches - axon D. Axon - cell body - dendrite - terminal branches
Answer:
B. Dendrite - cell body - axon - terminal branches
is correct
Answer:
b
Explanation:
this is in my economics class.
What is most similar to a brand-name product?
a) an inferior good
b) a normal good
c) a substitute brand
d) a generic product
Generic product is similar to a brand name product.
What is a brand name?A brand name is the name a manufacturer give to his product to mark it's uniqueness and it's ownership by the manufacturer.
Brand name can carry some distinct fractures, symbols about the products. It give a unique identity to such product.
Therefore, Generic product is similar to a brand name product.
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What causes the red pigment to escape from beetroot cells and why does this happen?
Answer:
These pigments are a useful indicator of membrane fluidity as they are typically contained within the vacuole of intact beetroot cells. An increase in membrane fluidity will cause the pigment to leak out of the cell, and the amount of pigment can be measured simply by using a colorimeter.