Invertebrates

Question 1

Porifera

Answer 1

the phylum of sponges

Question 2

Cnidaria

Answer 2

an invertebrate animal characterized by the specialized stinging structures in the tentacles surrounded by the mouth

Question 3

annelida

Answer 3

any segmented worm

Question 4

Hydroid

Answer 4

a coelenterate of an order that includes the hydras

Question 5

Jellyfish

Answer 5

a free swimming marine coelenterate with a jellylike bell

Question 6

Platyhelminthes

Answer 6

a phylum of worms having bilateral symmetry

Question 7

Nematoda

Answer 7

a roundworm

Question 8

Pinworms

Answer 8

an internal parasite of vertebrates

Question 9

Tapeworms

Answer 9

a parasitic flatworm

Question 10

Bivalves

Answer 10

an aquatic mollusk that has a compressed body enclosed within a hinged shell

Question 11

Cephalopods

Answer 11

an active predatory mollusk

Question 12

Gastropods

Answer 12

a mollusk

Question 13

Coelomate

Answer 13

a fluid filled body cavity

Question 14

Acoelomate

Answer 14

an invertebrate lacking a coelom

Question 15

Radial Symmetry

Answer 15

symmetry around a cantral axis as in a starfish or a tulip flower

Question 16

Asymmerty

Answer 16

lack of equality or equivalence between parts or aspects of something

Question 17

Bilateral Symmetry

Answer 17

dividing something into two equal parts

Question 18

Tentacle

Answer 18

a tender flexible limb

Question 19

Cnidocyte

Answer 19

is an explosive cell

Question 20

Ectoderm

Answer 20

the outermost layer of cells or tissue of an embryo

Question 21

Endoderm

Answer 21

the innermost layer of cells or tissue of an embryo

Question 22

Ovary

Answer 22

where the eggs are produced

Question 23

Teste

Answer 23

produces spermatozoa