Exam 18: Communities and Ecosystems

Match the trophic category to the correct description. -the end point of all trophic levels-fungi are most common A)producer B)herbivore C)carnivore D)detritivore E)decomposer

​Match the term or concept to the correct description. -​climate-related effects due to the increase in greenhouse gases A)​greenhouse effect B)​carbon dioxide C)​global climate change D)​fossil fuels

Although energy flows in one direction in an ecosystem, nutrients ____ through an ecosystem.​

The warming action on Earth's atmosphere is referred to as ____.

​Resource partitioning is the result of ____.

Match the type of species interaction to the correct description. -A lynx searches for and kills a snowshoe hare. A)competition B)predation C)mutualism D)commensalism E)parasitism

Matching Examine the following figure of the carbon cycle. Match each term with the concept to which it best corresponds. ​ -​atmospheric CO₂ A)A B)B C)C D)D E)E

The plants and animals present in a region from which the trees were removed ten years earlier represent ____.​

Examine the following figure of an Arctic food web. Match each term with the concept to which it best corresponds. ​ -​carnivore A)A B)B C)C D)D

The nitrogen cycle on land begins with ____.​

Approximately ____ of Earth's total primary production is supplied by the ocean's primary producers.

In the simplified prairie food chain illustrated in the following pictures, the letter D represents ____.

The first plant to colonize the plains of Mount Saint Helens after this volcano erupted in 1980 was a prairie lupine. The prairie lupine is therefore an example of ____.​

Which is an example of an event that would give rise to primary succession?​

The relationship between the yucca plant and the yucca moth that pollinates it is best described as ____.

Two species of closely related squirrels both feed on acorns produced by oak trees. One species feeds exclusively near the top of the tree and the other feeds exclusively toward the bottom of the tree. This is an example of ____.

​An example of a nonbiological factor that affects community structure is ____.

In this figure, what do the orange arrows marked #3 indicate?

This orchid attached to a tree branch is an example of ____.

Carbon dioxide in the atmosphere ____.​