Chapter 4-Ecosystems & Communities

Which of the following results when members of the same species require the same food and habitat?

The first organisms to repopulate an area affected by volcanic eruption are called

Organisms that live near or on the ocean floor are called

Permafrost characterizes the biome called

The way an organism makes its living, including it interactions with biotic and abiotic factors of it environment is

Extinction of many species of organisms is expected to occur in tropical areas due to

An increase in the greenhouse effect causes an increase in

commensalism : one organism ::

The process by which the structure of a biological community evolves over time is called

Which of the following types of succession would most likely occur after a forest fire?

A small valley where the average temperature is usually higher than the surrounding countryside

The term that can refer to any necessity of life is referred to as

In a tropical rain forest, the dense covering formed by the leafy tops of tall trees is called

When one organism is helped & the other organism is neither helped nor hurt

Which of the following is NOT a characteristic of pioneer species?

Competition among the same species is ________ and competition among different species is ________.

All of the following are abiotic factors that influence global climate EXCEPT

When settlers arrived in New England, forests were turned into fields. Some fields were abandoned & then grew back.

Photosynthetic algae are MOST likely to be found in

The study of all living organisms is called

Which is NOT a characteristic of pioneer species?

Fires, hurricanes, and other natural disturbances can result in

The end stage of primary succession in a northern latitude would be characterized by the predominance of

Commensalism can be explained with the symbols ________.

The tendency for warm air to rise and cool air to sink results in

The relationship between a tick and its host is an example of

When different species of organisms live in close association with one another, this is called

The factor that generally has the greatest effect on determining a region's climate is its