An evidence of a common ancestor for fishes, amphibians, reptiles, birds, and mammals is the
possession of wings by birds and bats
cold-bloodedness of fishes, amphibians and reptile
presence of gill clefts in vertebrate embryos
possession of scale by fish and reptiles
Correct answer is C
No explanation has been provided for this answer.
The only caste in the termite colony that can feed themselves are the
reproductives
workers
nymphs
soldiers
Correct answer is B
No explanation has been provided for this answer.
concealment colouration
countershading
colour blending
disruptive colouration
Correct answer is B
No explanation has been provided for this answer.
When a peacock displays its colourful feathers, it is
ready for a fight
protecting itself from predators
protecting its mate from predators
courting a female
Correct answer is D
No explanation has been provided for this answer.
symbiosis
parasitism
commensalism
mutualism
Correct answer is C
No explanation has been provided for this answer.