Why are small leaves an adaptation in a desert environment?
a. they trap less water.
b. they minimize water loss.
c. they absorb more light.
d. they fall out in the winter.

The correct answer is b. They minimize water loss.

Desert plants such as Acacia, Opuntia are adapted to live in the arid environment. They are adapted in many ways, on such is they have either small leaves or leaves are modified into spines. These adaptation are to conserve water. Small leaves have very small surface area which help to reduce water vapor loss during transpiration. Besides, a small leaf doesn’t reach as high a temperature as a large leaf in the sunlight.

hey, i believe your answer would be d. sugar ribose and the base uracil. i believe this is the answer, because rna consists of sugar ribose, adenine, guanine, cytosine, and uracil.

your first option is incorrect, because that's dna. where it consists of sugar deoxyribose, adenine, guanine, cytosine and thymine.

your second option is also incorrect, this is because sugar deoxyribose is in dna, and uracil is in rna. these two do not make sense together.

your third option being incorrect, because sugar ribose is in rna, but not the base of thymine. rna consists of uracil, not thymine.

lastly your fourth option being correct! this answer is correct, because both sugar ribose, and the base uracil are in rna! ~

answer is d. sugar ribose and the base uracil.