zoebtharpe

19.03.2021 • 

Biology

Which ecological principle is best illustrated by the diagram below?
(1) In an ecosystem, material is cycled among
the organisms and the environment.
(2) In an ecosystem, the number of producers
and consumers is equal.
(3) Competition within a species results in
natural selection.
(4) An ecosystem requires a constant source of
energy.

Ответ:

CaptainKiller528

15.04.2021

Biology

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Reproductive cells are known as gametes. A male gamete, the sperm, will meet with a female gamete, the egg, and they will combine their half-sets of DNA to create a full set, and an offspring.

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