Question

Progress Check
Listed below are eleven characteristics (i-xi) in
Column 1 and the five classes (a-e) of Chordata
in Column II. Match at least two characteristics
with each class.
Column 1
Column II
(Characteristics)
(Classes)
(i) Three chambered heart (a) Pisces
(ii) Feathers
Two-chambered heart
(iv) Eardrum in a pit (b) Amphibia ·
(v) 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:

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