Journey into the Deep-Comprehension Test

A to study only deep sea animals

B to find unknown ocean animals

C to count every organism that lives in the ocean

D to learn more about the ocean and everything that lives in it

F They are bioluminescent.

G They live as hosts in other animals.

H They have hard or rubbery bodies with no air spaces.

I They have tiny air pockets that reduce the water pressure.

A making food using a chemical source

B making food using energy from sunlight

C using chemicals to help animals move to new vents

D using chemicals to make the bodies of deep sea animals glow

F Vent communities are too difficult to reach.

G The animals that live in vent communities cannot move.

H Animals that live in vent communities do not produce eggs.

I They do not understand how the larvae fi nd vents as they drift.

A scientists will continue to study animals in all parts of the ocean.

B scientists will soon know about all animals that inhabit the ocean.

C scientists will focus their research on animals found around cold seeps.

D scientists will focus their research on animals found around hydrothermal vents.