Crayfish parts practice Kelly Riedell Name this pincher

Crayfish parts practice Kelly Riedell

Name this pincher claw cheliped Give a function. Catch food, defense Image by Riedell/Vanderwal © 2005

The arrows are pointing at the _________ Green glands Image by Riedell/Vanderwal © 2005 Give a function. Excrete nitrogen waste; osmoregulation Give the body system. excretory

Image by Riedell/Vanderwal © 2005 The arrows are pointing at the maxillipeds _________ Give a function. Touch, taste, manipulate food

The arrows are pointing at the Walking legs ________ Name the body segment these are attached to. thorax Image by Riedell/Vanderwal © 2005

Image by Riedell/Vanderwal © 2005 #1 #2 Name #1 antennules Give a function. Sense touch, taste, & equilibrium

Image by Riedell/Vanderwal © 2005 The arrows are pointing at the intestine _________ Give a function. Finish digestion, absorb nutrients, collect/remove digestive waste Name the body system. digestive

Image by Riedell/Vanderwal © 2005 This thin white line is the Ventral nerve cord _________ Give the body system. nervous

The probe is pointing at the maxilla _________ Give a function. Manipulate food Last pair (bailers) move water over gills http: //www. flushing. k 12. mi. us/srhigh/tippettl/biology/cray/index. html

Which of these crayfish is a male? female Image by Riedell/Vanderwal © 2005

Name these dark ovals Adductor muscles Give a body system muscular Image by Riedell/Vanderwal © 2005

Name this exit opening anus Image by Riedell/Vanderwal © 2005 Name the body system(s) that use this as an exit. Digestive only

Name this section of the body abdomen TRUE or FALSE False Image by Riedell/Vanderwal © 2005 This is a tagma.

Image by Riedell/Vanderwal © 2005 Name this piece of exoskelton that covers the main body in a crayfish carapace Name the polysaccharide that makes it “flexible” chitin

Image by Riedell/Vanderwal © 2005 The teeth seen here inside the stomach are Gastric mill called the ________

Image by Riedell/Vanderwal © 2005 #1 #2 Name #2 antenna Give a function. Sense touch & taste,

Image by Riedell/Vanderwal © 2005 Name this small white spot. Cerebral ganglia Give a function Acts as the brain Name the body system nervous

Image by Riedell/Vanderwal © 2005 Name these tail sections. uropods

Which of these crayfish is a female? female Image by Riedell/Vanderwal © 2005

#4 Image by Riedell/Vanderwal © 2005 Name the body region cephalothorax

Image by Riedell/Vanderwal © 2005 #4 Which of these is a tagma? #4 or #5 #4 - made by joining head + thorax #5

The pink arrow is pointing at the Digestive gland _________ Give a function. Make bile Finish digestion Absorb nutrients http: //www. flushing. k 12. mi. us/srhigh/tippettl/biology/cray/index. html

Image by Riedell/Vanderwal © 2005 Name this tail section telson

USE your direction words to answer This crayfish is showing you its ventral ________ surface. Image by Riedell/Vanderwal © 2005

USE your direction words to answer Image by Riedell/Vanderwal © 2005 This crayfish is showing you its dorsal ________ surface.

USE your direction words to answer Image by Riedell/Vanderwal © 2005 #15. The arrow is pointing to the anterior crayfish’s ________ end.

Image by Riedell/Vanderwal © 2005 This space that surrounds the organs coelom is called the ______.

Image by Riedell/Vanderwal © 2005 The piece that sticks out between the eyes is the _______. rostrum

http: //www. flushing. k 12. mi. us/srhigh/tippettl/biology/cray/index. html Ventral nerve cord This thin white line = __________ Give the body system nervous

http: //www. flushing. k 12. mi. us/srhigh/tippettl/biology/cray/index. html Name this part gonad Give a body system reproductive

The probe is pointing at the mandible _________ Give a function. http: //www. flushing. k 12. mi. us/srhigh/tippettl/biology/cray/index. html Manipulate food touch taste

http: //www. flushing. k 12. mi. us/srhigh/tippettl/biology/cray/index. html Cardiac stomach Yellow arrow = _________ Pyloric stomach Pink arrow = __________

http: //www. flushing. k 12. mi. us/srhigh/tippettl/biology/cray/index. html Name these feathery appendages swimmerets Give a function Transfer sperm (males), carry eggs/embryos (females), create water currents over eggs

Image by Riedell/Vanderwal © 2005 Name it heart Give the function Pump hemolymph (blood) The openings in the structure above are ostia called _______ Give the body system. circulatory