Science Crayfish Vocabulary

Question 1

where the head and the thorax are fused together

Answer 1

cephalothorax

Question 2

posterior, segmented, exoskeleton, muscular

Answer 2

abdomen

Question 3

paired, regenerate, shorter, balance

Answer 3

antennule

Question 4

paired, regenerate, longer, touch, taste

Answer 4

antenna

Question 5

first walking leg, largest claw, defense, obtain food, anterior

Answer 5

cheliped

Question 6

simple, anterior, regenerate, stacks

Answer 6

eyes

Question 7

swimming, posterior, or ventral side of abdomen, locomotion, identify

Answer 7

swimmeret

Question 8

paired, fan-like, posterior

Answer 8

uropod

Question 9

10 walking stairs, attached to cepholathorax

Answer 9

walking legs

Question 10

respiration, feather-like, efficient because of shape

Answer 10

gills

Question 11

posterior, attached to intestine

Answer 11

anus

Question 12

swimming, posterior, abdomen

Answer 12

telson

Question 13

doughnut-like disk, removes liquid waste from the body

Answer 13

green glands

Question 14

ventral side muscle

Answer 14

flexor muscle

Question 15

dorsal side muscle

Answer 15

extensor muscle

Question 16

connects the mouth to the stomach

Answer 16

esophagus

Question 17

ventral side of the cepolathorax covered in multiple mouth hairs

Answer 17

mouth

Question 18

2 chambered, 2 sets of teeth

Answer 18

stomach

Question 19

sits between the flexor and extensor muscle

Answer 19

intestine

Question 20

movements, sends signals from the brain to the body

Answer 20

ventral nerve cord

Question 21

how many legs does an insect have?

Answer 21

6

Question 22

how many legs does an archnid have?

Answer 22

8

Question 23

how many legs does a crustacean have?

Answer 23

10

Question 24

a centipede has_____per leg

Answer 24

1

Question 25

a millipede has_____per leg

Answer 25

2