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Ymorist [56]
3 years ago
11

Why do the cells in all living things need energy?

Biology
2 answers:
Montano1993 [528]3 years ago
7 0
<span>A.
to fuel their chemical reactions</span>
Yanka [14]3 years ago
3 0

Answer:

a

Explanation:

because i took the test and it right

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Which best summarizes the pepper moths in England after the industrial revolution
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Answer:

The allele frequency changed

The light moths blended in with the light-colored trees. However, the Industrial Revolution changed the tree colors. After the pollution from the Industrial Revolution started affecting trees, most of the collected peppered moths were of the dark form.

8 0
3 years ago
In a population of finches, birds with small, thick beaks can efficiently crack the seeds of one species of plant, while birds w
quester [9]

Answer:

"U"-shaped, with peaks at the low and high extremes of beak size; disruptive selection

3 0
3 years ago
Given the parents AABBCc × AabbCc, assume simple dominance for each trait and independent assortment. What proportion of the pro
galina1969 [7]
The answer is C) 3/4

Let's analyze separately each of the traits:

Parental generation: AA x Aa
F1 generation:       AA AA Aa Aa
So, all progeny will <span>phenotypically resemble the first parent.

</span>Parental generation: BB x bb
F1 generation:       Bb Bb Bb Bb
So, all progeny will <span>phenotypically resemble the first parent.
</span>
Parental generation: Cc x Cc
<span>F1 generation:       CC Cc Cc cc
</span>Only 3 (CC, Cc, Cc) out of 4 progeny will <span>phenotypically resemble the first parent.

The genotypes for first two traits will not affect </span>phenotypical resemblance to the first parent. So, it only counts the third trait, for which the chance to have progeny that <span>phenotypically resemble the first parent is 3/4.</span>
7 0
3 years ago
If the heart becomes damaged or weakened, how will this affect the body’s systems?
jek_recluse [69]
Think of blood as a gas/ fuel for the car ( your body). If there is no fuel, there's no movement (dead) so when the fuel tank is damaged the car won't function properly. 
 So if the heart becomes damaged, or weakened it would start making blood clots and damage the organs that need blood to function properly. The circulatory system wouldn't function properly and because other organs depend on the circulatory system it would cause a chain reaction, affecting other body systems. <span />
3 0
3 years ago
Read 2 more answers
How is radar used to forecast weather?
docker41 [41]

Answer:

is used to locate and track severe storms, and follows the path of storm systems.

Explanation:

6 0
4 years ago
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