Simple Invertebrate

Question 1

Porifera

Answer 1

Phylum of the sponge

Question 2

Cnidaria

Answer 2

phylum containing animals in aquatic enviornments

Question 3

Annelida

Answer 3

ringed and segmented worms

Question 4

Hydroid

Answer 4

order that includes the hydras

Question 5

Jellyfish

Answer 5

soft bodied free swimming

Question 6

Platyhelminthes

Answer 6

phylum of unsegmented soft bodied invertebrates

Question 7

Nematoda

Answer 7

phylum of round worms

Question 8

Pinworms

Answer 8

internal parasite of vertebrates

Question 9

Tapeworms

Answer 9

flatworms of the phylum Platyhelminthes

Question 10

Bivalves

Answer 10

class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts

Question 11

Gastropods

Answer 11

class of snails and slugs

Question 12

Coelomate

Answer 12

fluid filled body cavity

Question 13

Acoelomate

Answer 13

invertebrate lacking a coelom

Question 14

Radial Symmetry

Answer 14

symmetry around a central axis, in a starfish

Question 15

Asymmetry

Answer 15

lack of symmetry.

Question 16

Bilateral Symmetry

Answer 16

being divisible into symmetrical halves on either side of a unique plane

Question 17

Tentacle

Answer 17

flexible limb or appendage in an animal

Question 18

Cnidocyte

Answer 18

stinging cell

Question 19

Ectoderm

Answer 19

outermost layer of cells or tissue of an embryo in early development

Question 20

Endoderm

Answer 20

innermost layer of cells or tissue of an embryo in early development

Question 21

Ovary

Answer 21

produce eggs, as well as the hormones estrogen and progesterone

Question 22

Teste

Answer 22

produce and store sperm and are also the body’s main source of male hormones