The umbrella-like structure in a mushroom is called the
fruiting body. The fruiting body or the pileus is the cap of the mushroom that
produces spore in order to reproduce. They vary in different sizes and are
classified according to their structures.
Oestrogen is involved in repairing and thickening the uterus lining, progesterone maintains the uterine lining.
The answer is reptiles
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<h2>Answer:</h2>
Uracil
<h2>
Explanation:</h2>
Uracil is the nitrogenous base that is found in RNA but not present in DNA.
Cytosine (C) and thymine (T) are the smaller pyrimidines. RNA also contains four different bases. Three of these are the same as in DNA: adenine, guanine, and cytosine. RNA contains uracil (U) instead of thymine (T).
