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Blue Crab Dissection Absent Work

Total questions: 17

Worksheet time: 10mins

Name
Class
Date
1.
Blue crabs are decopods meaning that they have ___________ appendages
a)
6
b)
8
c)
10
d)
12
2.
Blue crabs have a broad diet which includes dead plants and animals, this means they are____________.
a)
scavengers
b)
decomposers
c)
carnivores
d)
herbivores
3.
Crabs are __________________ which means they are related to spiders and insects.
a)
mollusks
b)
arthropods
c)
arachnids
d)
vertebrates
4.
The nickname for a male blue crab is _______________.
a)
Sook
b)
Sally
c)
Johnny
d)
Jimmy
5.
Molting is when
a)
crabs shed their shell in order to grow
b)
the shell of the crab gets diseased
c)
female crabs grow eggs in their abdomen
d)
crabs lose a claw in a fight
6.
The crab pictured is
a)
Male
b)
Female
7.
A mature female blue crab is called a
a)
Suzie
b)
Sally
c)
Sook
d)
Sarah
8.
A sponge crab is
a)
A crab that has a soft shell after molting
b)
A female crab with an attached egg sac
c)
A crab in larval form
d)
A dead crab
9.
The crab pictured is
a)
Male
b)
Female
10.
Blue crabs have a broad diet which includes dead plants and animals, this means they are____________.
a)
scavengers
b)
decomposersdecomposers
c)
carnivores
d)
herbivores
11.

What is the word used to describe the first part of the larval stage of the blue crab, in which it drifts in the water?

a)

megalopa

b)

zoea

c)

sook

d)

protandric

12.

Which type (gender, age) of blue crab has red claws and a triangular-shaped abdomen?

a)

Male, immature

b)

Male, mature

c)

Female, immature

d)

Female, mature

13.

What does the blue crabs scientific name, Callinectes Sapidus, mean?

a)

Crustacean that swims sideways

b)

Gender determined by abdomen

c)

Beautiful swimmer that is savory

d)

Molting crustacean that is delicious

14.

How many pairs of legs does the blue crab use for walking?

a)

3 pair

b)

4 pair

c)

5 pair

d)

6 pair

15.

Which of the following is NOT true about the blue crab?

a)

blood is blue

b)

swims sideways

c)

only crab to swim

d)

molts to grow

16.

Which of the following are true about the MALE gender of a blue crab? (Select ALL that apply)

a)

Males have red-tipped claws

b)

Males have an inverted T shaped abdomen

c)

Males molt their entire lives

d)

Males are called Jimmy

17.

Which of the following are true about the FEMALE gender of a blue crab? (Select ALL that apply)

a)

The female mates after her final molt

b)

The female has red-tipped claws

c)

Immature females are called "sally" or "she crab"

d)

Mature females are called "sook"

e)

Females grow larger than males