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Tasya [4]
3 years ago
11

Describe how natural selection can occur in a population. Choose an organism that you suspect has undergone natural selection, w

hy do you think this?
Biology
1 answer:
Ahat [919]3 years ago
5 0

Following general conditions are necessary for natural selection to occur in population:

  • More organisms are born than can survive.
  • Organisms vary in their characteristics, even within a species.
  • Differences in reproduction and survival are due to variation among organisms.

According to Charles Darwin's theory of evolution by natural selection, organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes on to the next generation.

Galapagos Finches: The Galapagos finches studied by Darwin on his famous voyage are probably the most common example of natural selection.

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Reactions that require CO₂ take place in ________.
Alex787 [66]

Answer:

The correct answer is: A) the Calvin Cycle alone.

Explanation:

These reactions happen in cells capable of photosynthesis.

The only out of these reactions that require CO2 to take place is the Calvin Cycle. The Calvin Cycle is a series of biochemical processes that occur in the chloroplasts during photosynthesis. <u>The Calvin Cycle uses carbon dioxide (CO2) and water to produce glucose</u>, which will give energy to the cells.

The light reactions occur during photosynthesis in the presence of light and involving photophosphorylation. The light reaction does not make use of CO2, as it takes solar energy and converts it into NADPH and ATP.

7 0
3 years ago
What are the major advantages and disadvantages of using coal, oil, and natural gas?
never [62]
 <span>When looking to power your equipment or vehicle with natural gas. A lot of people use natural gas in their homes for cooking and heating, but they don’t really give it some thought. So, let’s see what natural gas is and how it’s different from other </span>forms of fossil fuels<span> like oil and coal.</span>
4 0
3 years ago
In the water cycle shown below, which process is happening at step 3?
dexar [7]

Answer:

<h2>A. precipitation</h2>

Explanation:

because the after  evaporation and condensation

it rains which is precipitation

6 0
3 years ago
Read 2 more answers
What microscope did Anton van Leeuwenhoek use to observe single celled organisms
ikadub [295]
He used a simple microscope
6 0
3 years ago
Meat is not a good source of protein because it does not provide the body with all the essential amino acids.
tankabanditka [31]

Answer: False.

Meat is a good source of protein. There are nine essential amino acids which are required under special conditions like illness.

These are-  Histidine, Leucine, Isoleucine, Valine, Threonine, Methionine, Lysine, Phenylalanine and Tryptophan. They cannot be synthesized by the body and therefore need to be taken from external protein sources.

Since meat contains all the essential amino acids, therefore it is considered as a good source of protein. Hence, the given statement is false.

3 0
3 years ago
Read 2 more answers
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