6. Which of the following has an exoskeleton?
a. octopus
b. snail
d. beetle
c. Leech
9. Which of the following is an amphibian?
a. turtle
b. salamander
c. alligator
d. crocodile
10. Bones with large air cavities are present in
a. cnidarians.
b. fish.
c. annelids.
d. birds.
11.
have four-chambered heart.
a. Amphibians
b. Mammals
C. Fish
d. Repti
Answers
Answered by
2
6. Beetle
9. Salamander
10. Cnidarians
11. Mammals
Answered by
1
Answer:
6 (d) 9. (b) 10. (a) 11. (b) please. mark me as brainlist please
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