Animal Biology Questions
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There are three major classes of Cephalopods. Which of the following is a Cephalopod?
a. Squid
b. Conch
c. Clam
d. Snail
Which type of Cnidarian body plan is less motile?
a. larvae
b. worm
c. Polyp
d. medusa
What moves the Gastric Mill?
A. wings
B. tendons
C. ligaments
D. muscles
What are the structures called where blood enters the heart?
A. artia
B. ostium
C. arteries
D. veins
Where is food ground up?
A. pyloric stomach
B. gastric stomach
C. gizzard
D. crop
What provides the major force for backward swimming?
A. uropods
B. chelopeds
C. telson
D. rostrum
What muscle causes the mandibles to come together?
A. mandibular adductor muscles
B. mandibular chewing muscles
C. abdominal flexor muscles
D. all of the above
What covers the Brachial Chamber?
A. carapace
B. rostrum
C. uropods
D. telson
What organs excrete excess Water and Ammonia?
A. rostrum
B. green glands
C. malpighian tubules
D. chelipeds
Where does the female store sperm until she lays her eggs?
A. seminal vesicle
B. uterus
C. seminal receptacle
D. vagina
What are the first pair of walking legs called?
A. stilters
B. swimmerets
C. pleopods
D. chelipeds
The male genital opening is located at the base of which pair of walking legs?
A. first
B. third
C. fifth
D. seventh
The female genital opening is located at the base of which pair of walking legs?
A. first
B. third
C. fifth
D. seventh
How many pair of uropods does a crayfish have?
A. one
B. two
C. three
D. four
What is the posterior-most extension of the last body segment called?
A. telson
B. uropods
C. rostrum
D. carapace
What are the telson and Uropods used for?
A. forward swimming
B. food gathering
C. pollen collection
D. rapid backward motion to escape
What name is given to the paired appendages of the abdomen?
A. chelipeds and swimmerets
B. swimmerets and antennae
C. swimmerets and uropods
D. uropods and pleopods
What is the name of the groove between the head and the thorax called?
A. oral groove
B. cephalic groove
C. terminal groove
D. expulsotory groove
What covers the Cephalothorax
A. carapace
B. rostrum
C. gill plate
D. gastric mill
What is the sharp front extension of the carapace called?
A. cheliped
B. rostrum
C. antennae
D. swimmeret
Name 2 different kinds of sensory organs of the crayfish.
A. antennae and eyes
B. legs and uropods
C. rostrum and eyes
D. eyes and legs
Which appendages are used for defense and food handling?
A. rostrum
B. antennae
C. walking legs
D. chelipeds
How many pair of swimmerets does a crayfish have?
A. 2
B. 3
C. 5
D. 7
How many pair of walking legs does a grayfish have?
A. 1
B. 2
C. 3
D. 4
Which swimmerets are adapted for sperm transfer in the male crayfish?
A. the first 2 pair
B. the last 2 pair
C. the first and last pair
D. all of them
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Solution Summary
Regarding general animal biology questions, this solution provides assistance with a multiple choice exercise, including links for further research.
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