Adaptation Questions

Select the correct pair of adaptations to environment in desert lizards:(a) Burrowing in soil to escape high temperature(b) Losing heat rapidly from the body during high temperature(c) Bask in sun when temperature is low(d) Insulating body due to thick fatty dermis

What is common to whale, seal and shark?

Which two of the following statements about the kangaroo rat are true?(a) Dark colour, high reproduction rate, solid urine.(b) Do not drink water, breathe slow, covered in thick hair.(c) Feed on dry seeds and do not require drinking water.(d) Excrete very concentrated urine and do not use water for thermoregulation.

Which two of the following changes usually occur in plain dwellers when they move to high altitudes ($3,500\text{m}$ or more)?(a) Increase in red blood cell size(b) Increase in red blood cell production(c) Increased breathing rate(d) Increase in thrombocyte count