Unit 4 Flashcard Review

Front

What is the most productive benthic ecosystem?

Back

Sea grasses are considered the most productive benthic ecosystem.

Front

What class of mollusca includes organisms like snails and slugs?

Back

Gastropods are the class of mollusca that includes snails and slugs.

Front

What class of mollusca includes clams, scallops, and oysters?

Back

Bivalves are the class of mollusca that includes clams, scallops, and oysters.

Front

What class of mollusca includes squids and octopuses?

Back

Cephalopods are the class of mollusca that includes squids and octopuses.

Front

True or False: Cephalopods are extremely smart and have fully developed brains.

Back

False. While cephalopods are intelligent, they do not have fully developed brains like mammals.

Front

What is a defining characteristic of bivalves?

Back

Bivalves have two shells (valves) that are hinged together.

Front

What is a defining characteristic of gastropods?

Back

Gastropods typically have a single, spiraled shell or no shell at all.

Front

What is a defining characteristic of cephalopods?

Back

Cephalopods have a well-developed head and a set of arms or tentacles.

Front

Give an example of a bivalve.

Back

Examples of bivalves include clams, oysters, and mussels.

Front

Give an example of a gastropod.

Back

Examples of gastropods include snails and slugs.