Mammals from colder climates generally have shorter ears and limbs to minimize heat loss. This is known as:

Which of the following organisms do not enter a state of dormancy to escape environmental stress?

The upper part of sea water mainly contains

If organisms are facing localized stressful conditions in their habitat for a period like winter,then they will . . . . . . to hospitable region.

Consider the following four statements $(a-d)$ regarding certain desert animals like the kangaroo rat:
$(a)$ They have a dark color and high rate of reproduction and excrete solid urine.
$(b)$ They do not drink water,breathe at a slow rate to conserve water,and their body is covered with thick hair.
$(c)$ They feed on dry seeds and do not require drinking water.
$(d)$ They excrete very concentrated urine and do not use water to regulate body temperature.
Which two of the above statements are true?

Changes in the body form of some planktonic animals with seasonal changes in temperature are grouped under