What is Allen’s rule?
A. Mammals from colder climates generally have shorter ears and limbs to minimise heat loss.
B. Mammals have constant temperature of the body in spite of their varied habitats.
C. Mammals can be oviparous at times.
D. The ecosystem of cold climate regions is equally occupied with mammals, birds and reptiles.
Answer:A
What is Allen’s rule?
A. Mammals from colder climates generally have shorter ears and limbs to minimise heat loss. B. Mammals have constant temperature of the body in spite of their varied habitats. C. Mammals can be oviparous at times. D. The ecosystem of cold climate regions is equally occupied with mammals, birds and reptiles.