Invertebrate Review

Question #1

• Which of the following systems are present in a sponge?

Digestive, Reproductive, Nervous, Excretory, Circulatory, Musculatory, Respiratory

Answer:

Digestive, Reproductive

Question #2

• Name one organism that has asymmetrical symmetry.

Answer:

Sponge

Question #3

• What animal has trochophore and what is its function?

Answer:

Clam; the larvae of a clam (baby clam)

Question #4

• Name one organism that has bilateral symmetry.

Answer:Planaria, Roundworm, Earthworms, Clam,

&/Or Crayfish

Question #5

• What animal has setae and what are their function?

Answer:

Earthworm; aids in movement through soil

Question #6

• What animal has antennae and what is its function?

Answer:

Crayfish; used to sensing and for equilibrium

Question #7

• What animal has tube feet and what is its function?

Answer:

Starfish; aide in movement & capturing prey

Question #8

• List the animals that are or can be sexual reproducers.

Answer:

Sponge, Hydra, Planaria, Roundworm, Earthworm, Starfish, Clam, & Crayfish

Question #9

• What animal has a clitellum and what is its function?

Answer:

Earthworm; reproduction/contains babies

Question #10

• What animal has incurrent and excurrent siphon and what is its function?

Answer:

Clam; allows water to move in and out of the clam

Question #11

• Compare and contrast the water vascular system to our circulatory system.

Answer:

Compare: Both systems transport a nutrients around the body in a liquid.

Contrast: Circulatory system has blood. The water vascular system uses water.

Question #12• Tell if each animal lives on land, in water,

or both:

a. Sponge –

b. Hydra –

c. Planaria –

d. Roundworm –

e. Earthworm –

f. Starfish –

g. Clam –

h. Crayfish -

a. water

b. water

c. water

d. both

e. land

f. water

g. water

h. water

Question #13

• What animal has spicules and what is its function?

Answer:

Sponge; provides structure

Question #14

• Explain the difference between walking legs and swimmerets on a crayfish.

Answer:

Walking legs are used for movement and swimmerets are used to produce water

current for reproductive purposes

Question #15

• What animal has eyespots and what is its function?

Answer:

Planaria; detects light

Starfish; detects light

Question #16

• What animal has mouth and what is its function?

Answer:

Hydra, Roundworm, Planaria, Earthworm, Clam, Crayfish, Starfish; take in food

Question #17

• Define filter feeder

Answer:

A method of which food is filtered out of the water.

Question #18

• What animal has a gastrovascular cavity and what is its function?

Answer:

Hydra; breaks down food

Question #19

• What animal has foot and what is its function?

Answer:

Clam; anchors the clam into the ground

Question #20

• Which of the following systems are present in an starfish?

Digestive, Reproductive, Nervous, Excretory, Circulatory, Musculatory, Respiratory

Answer:

Digestive, Reproductive, Nervous, Excretory

Question #21

• Which organism has the ability to be a polyp or a medusa?

Answer:

Hydra

Question #22

• What animal has flame cells and what is its function?

Answer:

Planaria; moves waste & water

Question #23

• What animal has a crop and what is its function?

Answer:

Earthworm; stores food

Question #24• Tell if each animal is sessile or free-

moving or both:

a. Sponge –

b. Hydra –

c. Planaria –

d. Roundworm –

e. Earthworm –

f. Starfish –

g. Clam –

h. Crayfish -

a. sessile

b. both

c. free-moving

d. free-moving

e. free-moving

f. free-moving

g. free-moving

h. free-moving

Question #25

• What animal has madreporite and what is its function?

Answer:

Starfish; allows water to go into the starfish

Question #26

• Name one organism that has radial symmetry.

Answer:

Hydra &/Or Starfish

Question #27

• Which of the following systems are present in a roundworm?

Digestive, Reproductive, Nervous, Excretory, Circulatory, Musculatory, Respiratory

Answer:

Digestive, Reproductive, Nervous, Excretory

Question #28

• Give definition of the following words:

Hermaphrodite-produces both sperm and egg

Sessile –unable to move

Alternation of Generation –alternates between a polyp state and

a medusa state in jellyfish

Question #29

• What animal has excretory pores and what is its function?

Answer:

Planaria; where waste is removed

Question #30

• What animal has green gland and what is its function?

Answer:

Crayfish; removes waste from the blood

Question #31

• What animal has an osculum and what is its function?

Answer:

Sponge; allows water to leave the sponge

Question #32

• What animal has a gizzard and what is its function?

Answer:

Earthworm; grinds up food

Question #33

• Which of the following systems are present in a hydra?

Digestive, Reproductive, Nervous, Excretory, Circulatory, Musculatory, Respiratory

Answer:

Digestive, Reproductive, Nervous

Question #34

• How many aortic arches does an earthworm have? Do they have an open or a closed circulatory system?

Answer:

5; closed

Question #35

• What animal has cheliped and what is its function?

Answer:

Crayfish; capture prey and a defensive weapon

Question #36• Which of the following systems are

present in a clam?

Digestive, Reproductive, Nervous, Excretory, Circulatory, Musculatory, Respiratory

Answer:

Digestive, Reproductive, Nervous, Excretory, Circulatory, Musculatory,

Respiratory

Question #37

• What animal has chitin and what is its function?

Answer:

Crayfish; makes up the shell

Question #38

• What animal has mantle and what is its function?

Answer:

Clam; protects the internal organs

Questions #39

• Roundworms are famous for their ______.

Answer:

anus

Question #40

• Explain the difference between host and a parasite.

Answer:

A host is an organism that a parasite lives off of.

A parasite is the organism that feeds off a host.

Question #41

• What animal has ampullae and what is its function?

Answer:

Starfish; makes the tube feet open & close

Question #42

• What animal has nematocysts and what is its function?

Answer:

Hydra; paralyzes prey

Question #43

• Which of the following systems are present in an crayfish?

Digestive, Reproductive, Nervous, Excretory, Circulatory, Musculatory, Respiratory

Answer:

Digestive, Reproductive, Nervous, Excretory, Circulatory, Musculatory,

Respiratory

Question #44• Tell the phylum that each organism

belongs to:

a. Sponge –

b. Hydra –

c. Planaria –

d. Roundworm –

e. Earthworm –

f. Starfish –

g. Clam –

h. Crayfish -

a. Porifera

b. Cnidarian

c. Platyhelminthes

d. Nematoda

e. Annelid

f. Echinoderm

g. Mollusca

h. Arthropod

Question #45

• Which of the following systems are present in an earthworm?

Digestive, Reproductive, Nervous, Excretory, Circulatory, Musculatory, Respiratory

Answer:Digestive, Reproductive, Nervous, Excretory, Circulatory, Musculatory,

Respiratory

Question #46

• Define regeneration

Answer:

Ability to re-grow missing parts

Question #47• Give the function of the following words:

Ganglia –Control center for body

Heart –Pumps blood

Digestive Gland –Breaks down food

Gonad –Produces sperm and egg

Exoskeleton –protects the organism

Question #48

• Which of the following systems are present in a flatworm?

Digestive, Reproductive, Nervous, Excretory, Circulatory, Musculatory, Respiratory

Answer:

Digestive, Reproductive, Nervous