Viviparity occurs mainly in the
mammals
reptiles
aves
amphibians
Correct answer is A
Among animals, viviparity is the development of the embryo inside the body of the parent, eventually leading to live birth, as opposed to reproduction by laying eggs that complete their incubation outside the parent's body. This is found mainly in mammals.
on dry land and water
in water and on moist land
on moist land
in water
Correct answer is B
No explanation has been provided for this answer.
An association between the root nodule of a leguminous plant and rhizobium sp, is known as
commmensalism
mycorrhiza
parasitism
symbiosis
Correct answer is D
No explanation has been provided for this answer.
Which of the following structural features are adapted for uses other than water conservation?
Succulent stems
Scales in animals
Spines in plants
Feathers in birds
Correct answer is A
No explanation has been provided for this answer.
Complex social behaviour and organization are found mostly in
insects
birds
reptiles
mammals
Correct answer is D
No explanation has been provided for this answer.