Apple (fruit): leaf, stalk, mesocarp, seed, endocarp, exocarp. Lily (flower): stamen, style, ovary, ovule, , stigma, petal, receptacle, peduncle, and sepal.
B.
Humans are also part of ecosystems and if they cease to exist, human well being will be affected.
Vitamin niacin ( vitamin B3)
Answer:
Natural selection.
Explanation:
Natural selection is when organisms who are most adapted to their environment survive and pass on their genes while those with "unfit" genes die and don't get the chance to reproduce! This slowly creates a population that is most well suited to their habitat. Hope this helps again LOL! :)
<span>A gamete needs only half the number of chromosomes because two gametes join together hope his helps you
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