Exam 17: Communities and Ecosystems

The interaction in which one species benefits and the second species is neither harmed nor benefited is ____.

Light energy from the sun is captured by photosynthesis as ____.

An energy pyramid is ____.

Most of the Earth's phosphorous is in the form of ____.

The lichen shown here is an example of ____.

Red imported fire ants (RIFAs)disrupt natural communities by ____.

Nitrogen gas is first converted into _____ by certain_____ before it enters the land nitrogen cycle.

The monarch butterfly is poisonous to birds; therefore, birds avoid eating them. Viceroy butterflies look very similar to monarch butterflies, but are not poisonous. Because they look like monarch butterflies, birds also do not eat viceroy butterflies. This is an example of ____.

Secondary succession can occur ____.

Carbon dioxide in the atmosphere ____.

Which is a characteristic of parasites?

Where is most of the Earth's phosphate found?

In an Arctic food web, the organisms in these pictures represent the ____.

The cowbird chick with its foster parent exemplifies an example of ____.

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

The niche of an earthworm in an ecosystem is as a(n)____.

Considering the traditional view of ecological succession, which plant would most likely be a pioneer species in a primary succession event?