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In marine food chains, the ____________ are microscopic organisms called phytoplankton.
a. consumers
b. producers
c. herbivores
d. heterotrophs

Respuesta :

~Hello there!

Your question: In marine food chains, the ____________ are microscopic organisms called phytoplankton. 

Your answer: In marine food chains, the heterotrophs  are microscopic organisms called phytoplankton. 

The answer is option D.

Note: H
eterotrophs can be referred to BOTH single-celled and as well as multi-celled organisms.

Any questions ^?

Happy Studying!