there are energy constraints
That is usually a plant.
None of the animal produce rustle sound.
Bat.
no
A primary carnivore is an animal that eats herbivores .A primary carnivore is an animal that eats the first order consumers (the animals which are herbivores). For example, a deer or a mouse. In the food chain: grass is consumed by a mouse which is consumed by a snake which is consumed by a hawk, the snake is the primary carnivore (because it ate the herbivore).
its random
sunlight.
agriculture , minning , collection of forest produce , animal husbandry , lumbering , fishery , etc. are the primary occupation of india
availability of food
the cheetah is a primary animal
Fruits
the physical and behavioral adaptations of the animal.
inherited factors
A rabbit
animal
Back bone.
Chromosomes