Exam 16: Ecosystems and Biomes

Respiration involves

The study of the spatial aspects of ecology and the distribution of plants and animals is called

Desert plants that wait years for a rainfall event to provide moisture for germination of their seeds are specifically called

Which of the following combinations of practices would promote sustainable agriculture?

The region of Africa in which zebras, elephants, wildebeests, antelope and other large animals live is known as the

The names taiga and boreal forest apply to the biome designated

The arctic and alpine tundra is appropriately described by which of the following?

Humans have identified ________ species; while the working estimate is ________ estimated species on Earth.

A lake that has undergone eutrophication would be

Which of the following is not correctly matched?

________ is the specific physical location of an organism, whereas the function, or occupation, of a life-form within a given community is called its ________.

Carbon dioxide is produced by all of the following except

In a food chain, toxic chemicals tend to accumulate and concentrate most in the

Which of the following is true of evolution?

At continued rates of species extinction, it is possible that half of the species currently on Earth could be extinct in ________ years.

If climate change occurs too rapidly, species may become extinct.

The seeds of some fruits cannot germinate unless they have first passed through the digestive system of an animal. Given this, the animal plays a role in perpetuating the plant species, and this role can best be considered an example of a trophic level.

Bears eat both plants and animals; therefore, they are

Large expanses of grasslands interrupted by trees and shrubs with Am and Aw climatic designations describes the tropical savanna biome.

Photosynthesis produces carbohydrates and oxygen.