Which structures make it immediately possible for the exchange of gases to occur in a plant?
a.
stems and petals
b.
stomata
c.
roots and petals
d.
leaves and flowers

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity

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