CrayfishParts Review

a = _____________________antennae

#6 = _____________________Walking legsImage from: http://biog-101-104.bio.cornell.edu/BioG101_104/tutorials/animals/crayfish.html

A = _____________

B= ______________

telson

uropods

B

AImage from:http://www.spc.cc.tx.us/biology/jmckinney/Studyimages/crayfish/crayfishdissectlist.html

This structure is part of the crayfish’s ____________ system.nervous

Image from: http://www.aa.psu.edu/div/mns/biology/crayfish/crayfishtable.htm

These structures are the __________gills

These organs are part of the ________________ systemrespiratory

Image from: http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20Laboratory/ Protostomes/protostomes.htm

#9 = _____________________rostrum

#8 = _____________________Compound eyeImage from: http://biog-101-104.bio.cornell.edu/BioG101_104/tutorials/animals/crayfish.html

#1 = ?

Digestiveglands

#2 = ?

heart

#1

#2

Image from:

http://www.aa.psu.edu/div/mns/biology/crayfish/crayfishtable.htm

#2 = _____________________swimmerets

This crayfish is a________ male female

male

Image from: http://biog-101-104.bio.cornell.edu/BioG101_104/tutorials/animals/crayfish.html

This crayfish is a ______________ female male

female

How can you tell?

First pairs of swimmerets don’t form Vand bend up towards thorax to carry sperm

Image from: http://biog-101-104.bio.cornell.edu/BioG101_104/tutorials/animals/crayfish.html

#4 = _____________________#3 = _____________________

intestineAbdominal muscles

Image from: http://biog-101-104.bio.cornell.edu/BioG101_104/tutorials/animals/crayfish.html

The part of the exoskeleton that covers this area is the ________________carapace

#4 marks the region of the body calledthe _____________________cephalothorax

Image from: http://biog-101-104.bio.cornell.edu/BioG101_104/tutorials/animals/crayfish.html

These structures like antenna, antennules, walking legs, maxillae, maxillipeds, etc. are called _____________________

appendages

Image from: http://biog-101-104.bio.cornell.edu/BioG101_104/tutorials/animals/crayfish.html

Abdominal muscle

#1 #2intestine heart stomach

#3

#7 = _____________________cheliped (key-luh-ped)

#3 = _____________________abdomenImage from: http://biog-101-104.bio.cornell.edu/BioG101_104/tutorials/animals/crayfish.html

#2 =

___________gills

The function of this organ is to ________________remove oxygen from water

Image from: http://biog-101-104.bio.cornell.edu/BioG101_104/tutorials/animals/crayfish.html

#2 = ?

Green glands

Their function is to ________________

Remove nitrogen waste & excess water (osmoregulation)

Image from: http://biog-101-104.bio.cornell.edu/BioG101_104/tutorials/animals/crayfish.html

This red appendageis the _______________

cheliped

It is used for___________________________capturing food & defense

This crayfish is a ______________

female male

male

How can you tell?

First pairs of swimmerets form Vand bend up towards thorax to carry sperm

Image from: http://biog-101-104.bio.cornell.edu/BioG101_104/tutorials/animals/crayfish.html

The arrow is pointing at the ___________________Cerebral ganglia

It is part of the __________________system nervous

#23 =

___________antenna

#24 = __________________antennules

Which of these can sense equilibrium?

#24 - antennules

#5 =

___________Cardiacstomach

#6 = ____________________Pyloric stomach

These openingsthat allow blood back into the heart are called ____________________

Ostia (sing. ostium)

Watch a crayfish heart movie

Image from: http://www.quia.com/jg/265982list.html Ostia movie: http://www.gsu.edu/~bioasx/heartbeat.html

# =4

___________maxillipeds

Their function is _______________________________for touch, taste, & to manipulate food

Image from: http://biog-101-104.bio.cornell.edu/BioG101_104/tutorials/animals/crayfish.html

These structures colored pink arethe _____________

antennules

They can sense______________________touch, taste, & equilibrium

Match the body part with its function

Sense touch, taste, & equilibrium __________________

Chew food _____________________

Make digestive enzymes __________________________

Transfer sperm/carry young _______________________

Teeth in stomach to grind food ______________________

antennules

mandible

Digestive gland

swimmerets

Gastric mill

Match the body part with its function

Capture food and defense __________________

Manipulate food in crayfish _____________________

create water currents __________________________

Cover and protect eyes/brain _______________________

Cover and protect gills ______________________

chelipeds

Maxilla, maxilliped

Maxilla, swimmerets, walking legs

rostrum

carapace

Match the body part with its function

Feelers that sense touch and taste but NOT Equilibrium __________________

Excrete nitrogen waste _____________________

Connect to exoskeleton and move mouthparts __________________________

Pump hemolymph _______________________

Openings to let blood back into heart ______________________

antennae

Green glands

Adductor muscles

heart

ostia

Match the body part with its function

Carry blood away from the heart __________________

Exchange gases _____________________

Acts as “brain” __________________________

Make sperm _______________________

vision ______________________

arteries

gills

Cerebral ganglia

testes

Compound eye