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Gala2k [10]
3 years ago
13

1 ) Explain how the surface area and volume of cells affect the rate of exchange of materials in and out of cells in multi cellu

lar organisms.
Biology
1 answer:
Finger [1]3 years ago
5 0
The smaller the surface area of a cell the easier it is the allow nutrients to enter the cell and have wastes exist the cell quickly. less energy is used!
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nikitadnepr [17]
Whales are closely related to hoofed mammals with an even number of toes, such as horse, because they evolved from them. Before whales were what we know them as today, they were relatively similar to horses. They used the water to flee from predators, and they evolved slowly to heighten their swimming ability, eventually becoming modern day whales. Fish have always been aquatic animals that have gills. Whales cannot breathe underwater, so they take in oxygen the same way a horse does. Also, both horses and whales are mammals that give birth to their offspring and are warm-blooded. Fish lay eggs and are cold-blooded.

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5 0
3 years ago
Removing which of the following parts would cause the plant to starve? Leaves Branches Stems Roots
daser333 [38]
I believe it would be the leaves because that helps collect water! :)
8 0
3 years ago
How are red blood cells able to move through narrow vessels to carry oxygen throughout a multicellular organism? (1 point) a)The
geniusboy [140]

Answer:

The correct answer is - option B. They are small because they lack a nucleus.

Explanation:

Red blood cells or erythrocytes are specialized cell that produce in bone marrow and have specific role such as carrying oxygen from lungs to deliver it to the various organs and carry out carbon dioxide.

In mammals these cells lack cell organelles such as nucleus and mitochondria, a major factor that determined its smaller size. The size of RBC are move through narrow vessels throughout a organism because of its specific size and shape that provide it space for hemoglobin and allow to be flexible and bend to move through narrow vessels.

Thus, the correct answer is : option B. They are small because they lack a nucleus.

8 0
3 years ago
Which muscle group name and function is correctly matched? select one:
motikmotik
Fixator (--) helps hold a bone in place
8 0
3 years ago
Why are the two strands of the double helix "perfect and specific compliments"?
77julia77 [94]
Because for the strands to form a double helix the base pairs have to match perfectly (adenine with thymine and cytosine with guanine) in DNA , and if a strand of RNA is paired with a split strand of DNA it goes adenine with uracil and cytosine with guanine (uracil replaces thymine)
7 0
2 years ago
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