I think it is because in the ocean the plankton produces most of the oxygen which is used by aquatic plants and plankton is a primary producer known as autotrops.
<span>B is the right answer. Gentoo and Emperor penguins employing different mating rituals is an example of behavioral isolation. Behavioral isolation is the umbrella term for a host of differences between species, although in the case of different mating behaviors this variety of behavioral isolation is intended to prevent cross-breeding between different members of the same species in the same environment.</span>
I’m not sure. Im pretty sure it’s D.
Answer:The producers are autotrophic that is they manufacture their own food by the process of photosythensis while consumers feed on the producers. The different bteween a producer and a consumer. A producer is the the first tropic level, eat only plant. While a consumer eats producers
Explanation:B
The photosynthesis reaction(s) (by green plants in sunlight)
6 C02 + 6 H20 =>C6H1206 + 6 02