Most scientists suspect that the reason of the dramatic crash of population of the snowshoe hare is the decline of winer food, an epidemic disease, while swimming hares cannot distinguish the small lakes and the large lkes, increase in territoriality. An area occupied by a mammal and defend against the invasion by other members of same species is called territory. In polyandry the females are larger and colourful than males. So the answer is d. Archaeopteryx is an extint bird like dinosaur which is an intermediate stage between non avian and reptiles. Solution Most scientists suspect that the reason of the dramatic crash of population of the snowshoe hare is the decline of winer food, an epidemic disease, while swimming hares cannot distinguish the small lakes and the large lkes, increase in territoriality. An area occupied by a mammal and defend against the invasion by other members of same species is called territory. In polyandry the females are larger and colourful than males. So the answer is d. Archaeopteryx is an extint bird like dinosaur which is an intermediate stage between non avian and reptiles..