Microscopic Plants and Algae that live in the ocean are:

TRUE OR FALSE

Zooplankton swim across the entire ocean.

These plankton are heterotrophs.

TRUE OR FALSE:

All energy in the ocean comes from photosynthesis.

On average, how much energy moves from one trophic level to the next.

Which of the following is NOT a consumer?

Krill eat phytoplankton

Squid eat Krill

Penguins eat phytoplankton and squid

Fish in this class have a true skeleton and use external fertilization to fertilize millions of eggs.

This class contains gelatinous plankton but they are not true jellyfish but comb jellies.

This animal class contains cold blooded animals with scales that breathe air and use internal fertilization.

All animals in this phylum have a foot under their head and a specialized tongue.

Animals that are able to swim without relying on currents are called:

Zone B is :

Which zone is photic?