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Crayfish
Crayfish study guide
25
Biology
7th Grade
01/14/2014

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Cards

Term

What is this red colored covering called?

[image]

Definition
carapace
Term

What is this mouth part called(#14)?

[image]

Definition
maxilliped
Term

[image]What is this area called (#12)?

 

Definition
abdomen
Term

What is this area called(#2) ?

[image]

Definition
chephalothorax
Term

What is this structure called? (#10 and #11 together)

[image]

Definition
flipper
Term

What is this structure called (#6)?

[image]

Definition
rostrum
Term

What is this structure called(#13 in front of crayfish)?

 

[image] 

Definition
antennule
Term

What are these structures called(#5)?

What are they used for?

[image]

Definition

Antenna

sensory organs

Term

What is this organ(#4)?

What system is it in?

[image]

Definition

compound eye

nervous system

Term

What is this organ (that the arrow is pointing at)?

What does it do?

What system is it in?

 

[image]

Definition

heart

pump blood

circulatory

Term

What is this organ (#10)?

What does it do?

 

 [image]

Definition

intestine

absords nutrients from the food

Term

What is this organ (B)?

What system is it in?

 

[image]

Definition

Digestive gland

digestive system

Term

What is this structure(#7)?

 

[image][image]

Definition
cheliped
Term

What are these appendages called(#8)?

What is the exoskeleton made of?

[image][image]

Definition

walking legs

chitin

Term

Explain what this organ is #5 (feathery looking), what system it is in and why they are unique?

 

[image][image]

Definition

They are gills.

They are in the respiratory system.

They are unique because they are attached to the walking legs.

Term

What are these appendages called(B)

Is this a male or a female?(look at A)

[image][image]

Definition

swimmerets

male

Term

What is this organ(c)?

What does it do?

 

[image]

Definition

stomach

digest food

Term

Essay:

Explain why a crayfish molts?

Definition
A crayfish molts to grow a bigger body, in order to do this it must make a new exoskeleton.
Term

What does Arthropoda mean?

 

Definition
jointed legs
Term

What phylum is a crayfish?

What class is a crayfish in?

Definition

arthropoda

crustacean

Term

What are the cells in the ovaries called?

What system are they in?

Definition

eggs

reproductive

Term

What direction does a crayfish go when it swims?

Why?

Definition

backwards

aerodynamics

Term
What is the covering of the abdomen called?
Definition
tergum
Term

What is letter B?

What system is it in?

[image]

Definition

brain

nervous system

Term

What is P?

What system is it in?

[image]

Definition

green gland

excretory

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