The Earth is made up of six kinds of biomes; the majordifference between<span> each type of ecosystem is the climate. Tropical </span>rainforests<span> cover the area </span>between<span> the Tropic of Capricorn and the Tropic of Cancer and tend to be warm and wet. </span>Deserts<span>, on the other hand, are hot and dry and have very little annual rainfall.</span>
<span>The correct answer are: the testes, the ovary and the adrenal gland.</span>
Secondary sex characteristics are characteristics that appear during puberty in humans when hormone level rises. Testosterone(testes) and estrogen(ovary) have the main influence in manifesting secondary sex characteristics. The function of the adrenal gland is to produce androgens: DHEA (dehydroepiandrosterone) which can be intermediate in the biosynthesis of the androgen and estrogen sex steroids.
I think c (it makes getting water easier and and quicker for the cactus