Exam 7: Animal Adaptations to the Environment

An ectotherm has a lower caloric requirement than an endotherm of similar size.

Animals that maintain a fairly constant internal temperature independent of external temperatures are called ________.

________ of body fluids takes place when the body temperature falls below the freezing point without actually freezing.

What are the risks associated with basking? How can they be mitigated?

Which of the following is NOT expected in response to an increase in human body temperature?

A process of temporarily dropping body temperature to the temperature of the environment for part of the day is called ________.

Which of the following statements is TRUE?

Living tissue is ________ dense than water.

Immediately prior to flight in cool temperatures, some insects

In seasonal breeders (e.g., sheep)an increase in melatonin

The predictable change in morphological and physiological features as a function of body size is referred to as ________.

________ is concentrated in the growing tips, new leaves, and buds of plants.

Discuss and describe several different strategies that herbivores use to extract nutrients from a cellulose-rich diet.

Poikilotherms exploit microclimates to regulate temperature.

The regulation of body temperature by internal metabolism is called ectothermy.

Seabirds cannot drink saltwater but are able to obtain water directly from the food they eat.

Herbivores can detect the nitrogen content of plants by odour and/or taste.

Large reptiles (e.g., alligators)are all restricted to ________ environments.

Which of the following is a major problem for animals that live in hyperosmotic environments?

________ is a long, seasonal torpor characterized by a cessation of activity.