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erastovalidia [21]
3 years ago
11

The dense fluid in chloroplasts where carbon dioxide is converted to sugar is called the _______.. a. thylakoid. b. stroma. c. g

rana. d. stomata
Biology
2 answers:
swat323 years ago
7 0

Answer:

B

Explanation:

vivado [14]3 years ago
6 0
The answer to the question above is letter "B. stroma". In the stroma are grana, stacks of thylakoid, others. Stroma contains important molecules which are useful for the photosynthesis and other metabolic functions of the cells. It may also contain enzymes and ions. 
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C is incorrect help me
Sonja [21]
It has to be a, b or d then.
you're welcome xo 
:)

4 0
4 years ago
A male cardinal's red color is an example of a trait affected by natural selection. The females of the species choose mates
kompoz [17]

Answer:

In the cardinals, if the females start using a different criterion than the color of the feather when they choose couple, most likely to happen is that decreased variation in the shades of red because no form of the trait is advantageous.

Explanation:

Options for this question are:

  • <em>Increased variation in the shades of red because the selection pressure has been relieved.</em>
  • <em>Increased variation in the shades of red because the cardinals try different ways to impress the females.</em>
  • <em>Decreased variation in the shades of red because no form of the trait is advantageous.</em>
  • <em>Decreased variation in the shades of red because the only reason for variation was selection pressure.</em>

In the context of natural selection, male cardinals court females using the coloring of their feathers as a form of sexual selection. This means that the shades of red in the feathers are a selection criterion in these birds, and the more visible shades represent an advantage.

But, if the selection criterion was not the color of the feathers, this trait would no longer represent an advantage in the competition between the males to be chosen as a mate. Instead, the trait that would determine sexual selection would be the one that experiences an increase in its variation<em>.</em>

5 0
3 years ago
About 40 percent of the medicines used in the United States are derived from _____.
tester [92]
The answer would be, "C", "Plants". 
4 0
3 years ago
Read 2 more answers
Where do animals obtain their chemical energy from
Sunny_sXe [5.5K]

From the food they intake in different ways such as Plants or other animals such as insects which are their fuel

8 0
3 years ago
Is this the correct answer?
Sergeeva-Olga [200]
Yes probely is but just try
8 0
3 years ago
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