Many Biotic Factors Have the Potential to Affect Community Structure

question 211

Multiple Choice

Many biotic factors have the potential to affect community structure.Such biotic factors include all of the following except

• A) elephants trampling a grassland.
• B) several species of herbivores competing for food.
• C) an introduced predator depleting herbivore populations.
• D) adjacent plants providing shade for newly sprouted plants.
• E) a hurricane felling trees.

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Definitions:

Magma

The molten or semi-molten natural material from which all igneous rocks are derived, located beneath the Earth's surface.

Welded Texture

A texture found in volcanic rocks, formed when hot volcanic ash and debris fuse together under pressure.

Volcanic Breccia Texture

A coarse-grained volcanic rock composed of angular to subangular fragments bonded together by a fine-grained matrix, typically formed from explosive volcanic eruptions.

Igneous Rock

is a type of rock formed through the cooling and solidification of magma or lava.