General Science Test 12

Which of these 2 include the environments in which marine organisms live?

• Marine Biology

• Marine Science

A community of organisms that interact with each other and their physical environment.

Which of these is the top layer of the ocean?

• Epipelagic

• Mesopelagic

• Bathypelagic

• Hadalpelagic

Organisms usually move around through the various oceans on Earth because they’re all connected.

• True

• False

Small animal-like creatures

• Zooplankton

• Phytoplankton

• Plankton

• Benthic

The only completely marine plant group

• Seagrasses

• Seaweed

• Kelp

• Algae

Single-called algae

• Phytoplankton

• Zooplankton

• Plankton

• kelp

Any ocean organism that cannot swim against the ocean currents

• Plankton

• Kelp

• Sponges

• Sessile

Sponges belong to the phylum:

• Porifera

• Cnidaria

• Mollusca

• Crustaceans

This is an example of a:

• Polyp

• Medusa