invertebrates Flashcards by jessica aon

Q

cnidaraia

A

jellly fish

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Q

poliferia EX.

A

esponge

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Q

Platyhelminthes

A

flatworms

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Q

Annelida

A

segmented worm

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Q

mollusca

A

clams

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Q

nematoda

A

round worms

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Q

echinoderm

A

sea star

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Q

Chordata

A

vertebrates

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Q

what animals share in common

A

eukariotes
lack of rigid cell wall
supported by collagen
heterotrophs

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Q

what is sessel?

A

organisms un able to move

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Q

2 characteristic of sponges

A

sessels

lack of muscle and cell cells

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Q

sponges can reproduce either

A

egg and sperm

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Q

single shell

- move with muscular foot using mucus

A

gastropods

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Q

2shell to protect the mollusk soft body

- open circulatory system

A

pelecypoda

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Q

open circulatory system

muscular foot divided in many tentacles

A

cephalopods

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