5.03, 5.05, 5.08 Flashcard Reviews

Front

What is the common name of the group to which free-living organisms anchored to the bottom of ponds and streams belong?

Back

cnidarians

Front

What is the common name of the organism that is free-living and anchored to the bottom of ponds and streams during one stage of its life cycle?

Back

anemone

Front

What is the common name of the group that includes sea cucumbers and sea lilies?

Back

echinoderms

Front

A slug is an example of which animal group?

Back

mollusks

Front

What trait enables an organism to keep its internal body temperature constant?

Back

endothermy

Front

Define cnidarians.

Back

A group of animals that includes jellyfish, corals, and anemones, characterized by stinging cells.

Front

What are echinoderms?

Back

A group of marine animals with spiny skin, including sea stars, sea urchins, and sea cucumbers.

Front

What is the defining characteristic of mollusks?

Back

Soft-bodied animals, often with a hard shell, including snails, clams, and octopuses.

Front

What is endothermy?

Back

The ability of an organism to maintain a constant internal body temperature regardless of external conditions.

Front

What is ectothermy?

Back

The reliance on external environmental conditions to regulate body temperature.