Test 3 From Practice Tests Flashcards

You may prefer our related Brainscape-certified flashcards:
0
Q

The phylum ___ live in water, are sessile, and have choanocytes.

A

Porifera

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

All animals are multicellular and ___.

A

Heterotrophic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Cnidarians occur in two basic body forms: polyp and ___.

A

Medusa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Stationary mobilia have feeding polyps and ___ polyps.

A

Reproductive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The gastrovascular cavity of a Hydra has how many openings?

A

One

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Unique to Cnidaria are specialized stinging cells called ___.

A

Nematocysts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Flatworms belong to what phylum?

A

Platyhelminthes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Planaria is ___, which means they possess both male and female sex organs.

A

Hermaphroditic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What organ of the planaria reminded early investigators or a flickering candle?

A

Flame cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Tapeworms have a hook and sucker structure called a __.

A

Scolex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

___ are animals that have a body cavity completely lined with mesoderm.

A

Celomates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Loligo belongs to which phylum?

A

Mollusca

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

How many parts does the squid have?

A

Three

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Is the circulatory system of the squid open or closed?

A

Closed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

When observing the external anatomy of the earthworm, the enlarged section is called a ___.

A

Clitellum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The earthworm is a scavenger and feeds on ___.

A

Detritus

16
Q

Earthworms are sexual ___.

A

Hermaphrodites

17
Q

Our incision was made along what surface of the earthworm?

A

Ventral

18
Q

Arthropods have paired, jointed appendages and hard exoskeletons that contain ___.

A

Chitin

19
Q

Crayfish belong to the phylum Arthropoda, class __.

A

Crustacea

20
Q

Five things that go across the heart in the earthworm.

A

Aortic arch

21
Q

Animals we’ve been examining since last test.

A

Protostomes

22
Q

Echinoderms are classified as ___.

A

Deuterostomes

23
Q

Clam part used for locomotion.

A

Foot

24
Q

How are crayfish and grasshoppers related?

A

They are Arthropods

25
Q

Echinoderms exhibit ___ symmetry.

A

Radial

26
Q

Ecdysis refers to ___ in Arthropods.

A

Molting

27
Q

___ refers to often, drastic change in form and shape.

A

Metamorphosis

28
Q

Lab book states chordates have four parts, name two

A
  • dorsal tubular nerve cord
  • notochord
  • postnatal tail
  • pharyngeal pouches that become hill slits