When Climbing a Mountain, We Can Observe Transitions in Biological

question 43

Multiple Choice

When climbing a mountain, we can observe transitions in biological communities that are analogous to the changes

• A) in biomes at different latitudes.
• B) in different depths in the ocean.
• C) in a community through different seasons.
• D) in an ecosystem as it evolves over time.
• E) across the United States from east to west.

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Definitions:

Tropic Cascades

Ecological phenomena where predators in a food web indirectly affect the abundance or distribution of their prey's prey, through a chain of interactions.

Keystone Species

A pivotal species within an ecosystem that other species heavily rely on, whose absence would result in profound alterations to the ecosystem's composition.

Cryptic Coloration

Colors or markings that help some organisms hide from predators by blending into their physical surroundings. Compare with aposematic coloration.

Unpalatability

The quality or state of being unappetizing to eat or difficult to digest, often a defense mechanism in plants and animals against predators.