Question

1. Listed below are eleven characteristics (1-X!)
Column I and the five classes (a-e) of Chordata
in Column II. Match at least two characteristic
with each class.
Column 1
Column II
(Characteristics)
(Classes)
(i) Three chambered heart (a) Pisces
(ii) Feathers
(iii) Two-chambered heart
(iv) Eardrum in a pit (b) Amphibia ·
Scales
(vi) External ears
(vii) Gills
(c) Reptilia
(viii) Moist skin
(ix) Horny scales on skin
(x) Homeothermal (d) Aves
(xi) Testes in scrotum
(e) Mammalia​

Answer 1

Answer:

I don't know about this

Explanation: