Invertebrates Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What can be classifies into different groups?

A

Invertebrates

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

What are the different groups of invertebrates?

A

Poriferans, Cnidarians, Worms, Mollusks, Echinoderms, & Arthropods

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

What are the simplest invertebrates?

A

Poriferans or Sponges

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

These invertebrates belong phylum Porifera. What are these?

A

Poriferans

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

What does the word porifera mean?

A

“pore-bearing”

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

What is covered with many pores for tiny openings?

A

Sponge

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

What are some of the most unusual living thing found on Earth?

A

Sponges

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

What are invertebrates animals that usually have no body symmetry and never have tissues of organs?

A

Sponges

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

What is the thin, spiny structure that form the skeleton of many sponges?

A

Spicules

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

What is composed of many invertebrate animals with brilliant colors and strange shapes?

A

Cnidarian

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

What are examples of this phylum?

A

Jellyfishes, Corals, Hydras, and Sea anemones

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

These have two basic forms. What are these?

A

Vase-shaped polyp and Bow-shaped Medusa

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

What name comes from a Greek word meaning “to sting’?

A

Cnidaria

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

What has a hollow central cavity with only one opening called “mouth”?

A

Cnidaria

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

What is the special stinging structures that all cnidarians have?

A

Nematocyst

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

These are used to stun or kill prey. What is this?

A

Nematocyst

17
Q

What are soft-bodied organisms?

A

Coral

18
Q

What do they build using minerals in the water?

A

Hard and protective cover of limestone

19
Q

What is an underwater ecosystem in which diverse kinds of organisms live?

A

Reef

20
Q

What are the most common cnidarians?

A

Jellyfishes

21
Q

What can deliver a painful poison through their nematocysts located on their tentacles?

A

Jellyfishes

22
Q

What cnidarians use these stinging structures to catch their prey?

A

Jellyfishes

23
Q

What are cnidarians that spend their lives as polyps?

A

Hydras

24
Q

They live in freshwater. What are these?

A

Hydras

25
Q

What can move around with a somersault movement?

A

Hydras

26
Q

What are classified into three main phyla?

A

Flatworms, roundworms, & segmented worms