Question

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

Answer 1

$\large{Answer}$

6. Beetle

9. Salamander

10. Cnidarians

11. Mammals

Answer 2

Answer:

6 (d) 9. (b) 10. (a) 11. (b) please. mark me as brainlist please