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Zoo Ch3.2 Phylum Ctenophora

Total questions: 15

Worksheet time: 9mins

Name
Class
Date
1.

Comb Jellies are ​ (a)  

Choose from the below words
diploblastic
triploblastic
monoblastic
2.

Animals that belong to the Phylum Ctenophora are commonly known as ...

a)

Anemones

b)

Sponges

c)

Comb Jellies

d)

Corals

3.

Most of the members of Ctenophora capture prey using...

a)

Stinging cells known as Cnidocytes

b)

Glue-like cells known as colloblasts

c)

Venomous cells

d)

Statocysts

4.

Which Class does this comb jelly belong to?

a)

Tentaculata

b)

Nuda

c)

Scyphozoa

d)

Cubozoa

5.

Comb jellies have comb rows that line their bodies and are used for movement. These consist of hundreds of ______ that beat in rhythmic patterns, generating movement.

a)

Flagella

b)

Siphons

c)

Cilia

d)

Hairs

6.

Many species of ctenophores produce light. This is called...

a)
Bioluminescence
b)
Photosynthesis
c)
Fluorescence
d)
Chemosynthesis
7.

Most species of comb jellies are found...

a)

In coral reefs

b)

In freshwater rivers and streams

c)

In shallow, surface marine waters

d)

In the deep sea

8.

Which of the following best describes how comb jellies move through their environment?

a)
They use their tentacles to pull themselves through the water
b)
They use jet propulsion
c)
They use cilia to move through the water
d)
They use their fins to swim
9.

Both Ctenophores and Cnidarians possess sensory structures that allow them to sense the force of gravity (up and down orientation). These structures are called...

a)
Statocysts
b)
Nematocysts
c)
Ctenocytes
d)
Cnidocytes
10.

There are two Classes of comb jellies. What is the difference?

a)

Tentaculata possess tentacles, Nuda does not

b)

Nuda possess tentacles, Tentaculata does not

c)

Tentaculata is carnivorous and Nuda is herbivorous

d)

Nuda is carnivorous and Tentaculata is herbivorous

11.

The nonliving layer of glycoproteins that exist in between the endoderm and ectoderm germ layers in Ctenophores and Cnidarians

a)
Mesoglea
b)
Endodermis
c)

Mesoderm

d)
Periderm
12.

Comb Jellies are ...

a)

Monoecious, meaning that there are male and female jellies

b)

Monoecious, meaning that there is only one sex type that produces both ova and sperm

c)

Dioecious, meaning that there are male and female jellies

d)

Dioecious, meaning that there is only one sex type that produces both ova and sperm

13.

T/F: There are no hard skeletal parts in comb jellies

a)

True

b)

False

14.

The nervous system found in both Ctenophora and Cnidaria

a)

Ganglia

b)

Nerve Net

c)

Cephalization

d)

Ventral Nerve Cord

15.

Most of the members of Ctenophora capture prey using...

a)

Stinging cells known as Cnidocytes

b)

Glue-like cells known as colloblasts

c)

Venomous cells

d)

Statocysts