Question

8. Two chambered heart occurs in
(a) crocodiles
(b) fish
(c) amphibians
(d) aves
9. Amphibians do not have the
following
(a) three chambered heart
(b) gills or lungs
(c) scales
(d) mucus glands
10. A branch of biology which deals
with the identification, nomenclature
and classification of organisms is
called
(a) morphology
(b) ecology
(c) taxonomy
(d) phytogeography
11. Amoeba has a contractile vacuole for
(a) osmoregulation
(b) strong
(c) turgidity
(d) gaseous exchange​

Answer 1

Answer:

9answer.gills or lungs