Abeka 6th grade Science Ch 2 CC 2.7 - 2.9 Flashcards | Quizlet

Molting

The process in which a crustacean sheds its exoskeleton to make room for its expanding body.

Regeneration

The ability of crustaceans to replace lost body parts.

Which crustaceans run sideways?

Crabs

Carapace

The hard, protective shell that shields a crab's soft body.

Swimmerets

The leglike limbs connected to a lobster's abdomen.

Which lobster does not have pincers?

Spiny lobster

What are the smallest shrimp mentioned in the text?

Brine shrimp

What are the largest shrimp mentioned in the text?

Prawns

Which crustacean lives in damp areas on land?

Wood louse or pillbug (roly-poly)

Centipede

A fast, flat-bodied, carnivorous arthropod that has one pair of legs per body segment.

What does 'centipede' mean?

One-hundred footed

Millipede

A slow, round-bodied, herbivorous arthropod that has two pairs of legs per body segment.

What does 'millipede' mean?

One-thousand footed

Carnivore

Flesh eater

Herbivore

Plant eater

Which invertebrates swallow soil and are beneficial to farmers?

Earthworms

Name three parasitic worms.

Roundworms, leeches, tapeworms

Gastropods

The order of invertebrates whose name means 'stomach-foot'.

Give two examples of gastropods.

Nudibranch and slug

Univalve

The name for a one-shelled mollusk.

Give two examples of a univalve.

Conch and cowrie

Bivalve

The name for a two-shelled mollusk.

Give two examples of a bivalve.

Mussel and oyster

Cephalopods

The order of invertebrates whose name means 'head-foot'.

What are the main differences between an octopus and a squid?

An octopus has eight tentacles and no shell, while a squid has ten tentacles and an internal shell.