Exam 7: Animal Adaptations to the Environment

Some amphibians can take in oxygen through their skin.

Which of the following animals does not use lungs to acquire oxygen?

A detritivore feeds primarily on dead plant or animal matter.

An ectotherm requires more calories per gram of body mass than an endotherm of similar size.

Many species of small mammals,especially those that hibernate,increase heat production by

When insulation fails,many animals resort to ________,which is a form of involuntary muscular activity that increases heat production.

In cases where global temperature increase results in increased resource availability,

Animals that feed on both plant and animal tissues are referred to as

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

Only animals with sweat glands can take advantage of evaporative cooling.

Some sharks and tunas possess a ________,a blood circulation system that allows them to keep internal temperatures higher than external temperatures.

All species of fish are carnivorous.

Herbivores are unable to digest ________ and thus rely on the help of specialized bacteria and protozoa living in their digestive tracts.

Long-distance transport of oxygen to the cells of animals is facilitated by the

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

Many species of insects undergo a state of arrested development in their life cycle to avoid desiccation or cold,referred to as

All of the following characterize a hibernating homeotherm,except

In comparison with a blue whale,a shrew has

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

A saltwater fish tends to be ________ to its surrounding aquatic environment.