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Crayfish Dissection Quiz Review

Total questions: 34

Worksheet time: 23mins

Name
Class
Date
1.
Crayfish are omnivores. What does that mean?
a)
They eat plants and animals.
b)
They eat only plants.
c)
They eat only animals.
d)
They don't eat.
2.
What are crayfish?
a)
mammals
b)
amphibians
c)
crustaceans
d)
none of these
3.
Where do crayfish live?
a)
salt water
b)
land
c)
trees
d)
fresh water
4.
Why do crayfish molt?
a)
the exoskeleton is hard and gets broken
b)
they like to molt so they are soft
c)
as a crayfish grows the exoskeleton doesn't grow so it must be replaced.
5.

Which kingdom do Crayfish belong to?

a)

Arthropoda

b)

Decapoda

c)

Crustacea

d)

Animalia

6.

Crayfish belong to which phylum?

a)

Arthropoda

b)

Crustacea

c)

Decapoda

d)

Animalia

7.
What is it called when crayfish lose their shell and grow a new one?
a)
changing shells
b)
growing
c)
jointed
d)
molting
8.
The process of re-growing lost body parts such as pincers and walking legs.
a)
hibernation
b)
regeneration
c)
molting
d)
respiration
9.
Crayfish are water breathers. They can stay out of the water for short periods of time if...
a)
they are looking for a mate
b)
they are looking to hibernate
c)
it's time to molt
d)
their gills stay wet, so they can breathe
10.
Since crayfish live in water, they breathe with lungs.
a)
True
b)
False
11.

Identify #1 structure

a)

antennae

b)

cephalothorax

c)

chilapeds

d)

walking legs

12.

Identify structure #3

a)

Cephalothorax

b)

Antennae

c)

Swimmerettes

d)

Chilapeds

13.

Identify structure #7

a)

Antennae

b)

cephalothorax

c)

abdomen

d)

chilapeds

14.

Crayfish use ____ to grab food and protect themselves

a)

Antenna

b)

segments

c)

chilapeds

d)

cephalothorax

15.

What is the structure labeled 2

a)

Antenna

b)

antennules

c)

cephalothorax

d)

abdomen

16.

What is the structure labeled 6

a)

Antenna

b)

antennules

c)

cephalothorax

d)

abdomen

17.

What is the structure labeled 4

a)

Antenna

b)

compound eye

c)

cephalothorax

d)

abdomen

18.

What is the structure labeled 10

a)

uropod

b)

compound eye

c)

cephalothorax

d)

abdomen

19.

Which word means jointed appendages?

a)

Decapoda

b)

Crustacea

c)

Kneepoda

d)

Arthropoda

20.

How many Chilapeds do Crayfish have?

a)

4

b)

5

c)

2

d)

1

21.

How many swimmerets do crayfish have?

a)

4

b)

5

c)

2

d)

10

22.

Where are swimmerets located?

a)

abdomen

b)

cephalothorax

c)

antenna

d)

chilapeds

23.

Where are a crayfish's teeth located?

a)

mouth

b)

mandible

c)

stomach

d)

tail

24.
the hard, protective covering which supports an arthropod
a)
abdomen
b)
environment
c)
exoskeleton
25.

Identify structure #7

a)

Antennae

b)

cephalothorax

c)

abdomen

d)

chilapeds

26.
The middle region of the body between the head and abdomen?
a)
Swimmerets
b)
Rostrum
c)
Thorax
d)
Telson Tail
27.
Small appendages on the underside of the abdomen used to circulate water and to carry eggs in females?
a)
Swimmerets
b)
Cephlothorax
c)
Telson Tail
d)
Maxilliped
28.
Large sensory appendages used as feelers on the head of the crustacean?
a)
Swimmerets
b)
Maxillae
c)
Antennas
d)
Maxilliped
29.
What are 9?
a)
Cheliped
b)
Swimerets
c)
Tergum
d)
Walking Legs
30.

Hard, chitinous mouthparts used to manipulate food into the mouth

a)

mandibles

b)

maxillipeds

c)

antennules

d)

uropod

31.

large pinchers used for grasping food and for defense

a)

maxillipeds

b)

chelipeds

c)

uropods

d)

mandibles

32.

shorter paired appendages on head modified for chemosensory and tactile reception

a)

antennae

b)

antennules

c)

rostrum

d)

maxillipeds

33.

The body is divided into two main regions:

a)

cephalax and thorax

b)

thorax and carapace

c)

carapace and abdomen

d)

cephalothorax and abdomen

34.

Paired excretory organs found near the head that release waste out of the crawfish along the ventral body wall.

a)

nephridia

b)

ventral glands

c)

green glands

d)

pyloric glands