Question

2. Polar bears have a highly developed sense of sight.
3. The long ears of an elephant help it to keep warm.​

Answer 1

1. The eyesight of polar bears appears to be similar to humans. Polar bears have a protective membrane over their eyes that may help shield the eyes from ultraviolet light.

2. The large ears of elephants aid cooling by radiating heat from blood vessels, and flapping to generate cooling air currents. This infrared shows the surfacetemperature of an elephant.

Answer 2

Answer:

1)The eyesight of polar bears appears to be similar to humans. Polar bears have a protective membrane over their eyes that may help shield the eyes from ultraviolet light.

2)The large ears of elephants aid cooling by radiating heat from blood vessels, and flapping to generate cooling air currents. This infrared shows the surfacetemperature of an elephant.