chapter 34 final Flashcards Preview

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Flashcards in chapter 34 final Deck (15):
1

animals are

multicellular and hetertrophic

2

some animals reproduce

asexually

3

sponges have no

true tissue and no body symmetry

4

similar parts branch out in all directions from a central line

radial symmetry

5

animals with similar halves

bilateral symmetry

6

animals have _ germ layers

3

7

invertebrates have no

body symmetry or are radially or bilaterally symmetrical

8

all vertebrates have an

endoskeleton

9

some invertebrates have an

exoskeleton

10

during cleavage (1st step)

cells divide repeatedly

11

mass of cells produced by cleavage form the

blastula

12

the germ layers are defined during

gastrula formation

13

acoelomates have

no body cavity

14

psuedocoelomates have

a body cavity

15

coelomates have a

coelom