Disco Clams and Their Unique Features

What is the classification of disco clams in terms of bivalves?

• They are neither clams nor scallops.

• They are both clams and scallops.

• They are only scallops.

• They are only clams.

What is the primary purpose of the disco clam's flashing light effect?

• To communicate with other clams.

• To warn off predators.

• To attract mates.

• To navigate in the dark.

How does the disco clam's shell appear in terms of color?

• Green with a yellow shell.

• Bright red with a white shell.

• Bright blue with a dark interior.

• Purple with a black shell.

What is unique about the disco clam's cells?

• They are filled with copper.

• They are filled with iron.

• They are filled with silica.

• They are filled with calcium.

Which species is known for its ability to swim among bivalves?

• Plagiostoma

• Acesta

• Ctenoides ales

• Antiquilima

Where can you find fossil records of bivalves similar to Ctenoides?

• In the Arctic Circle.

• On beaches and cliffs.

• In the Amazon Rainforest.

• In the Sahara Desert.

What is the geographical distribution of the disco clam?

• Only in the Arctic regions.

• In tropical regions like the Philippines and Barbados.

• In desert regions.

• In temperate forests.

What is the significance of the strong ribbing in some bivalves?

• It makes them more colorful.

• It strengthens the shell but limits swimming.

• It helps them swim faster.

• It allows them to dig deeper into the sand.

What is the size range of limids?

• From tiny to the size of a car.

• From small to the size of a human.

• From medium to extremely large.

• From very small to quite large.

What is the common name for Plagiostoma gigantea?

• The giant swimming clam.

• The giant fossil clam.

• The giant flame scallop.

• The giant disco clam.