Ecology Review - Ch. 54 & 55

Species that is small in abundance and exerts influence on the community that is disproportionate to its population size.

• Foundations species

• Prey species

• Keystone species

• Secondary Consumer

Which Community has greater species richness?

• Community 1

• Community 2

• Neither Community has measurable species richness

• Both Communities have the same species richness

In general, what percentage of energy of one tropic level is transferred to the next level?

• 90%

• 10%

• 25%

• 50%

Which type of succession occurs following disturbances in which soil is not present?

• Primary Succession

• Secondary Succession

• Tertiary Succession

• Directional Succession

While pursuing its prey, a lion accidentally kills a butterfly. The relationship between the lion and the butterfly would be described as:

• Commensalism

• Competition

• Predation

• Ammensalism

Which of the following is an example of an intraspecific interaction?

• An acacia tree releases chemicals into the air warning nearby acacia trees of a potential threat.

• A sea anemone provides protection and shelter to a clownfish, while the clownfish provides nutrients to the sea anemone.

• Bacteria fix atmospheric nitrogen into ammonia.

• Two male elk compete for territory and mating rights.

Which ecosystem would be most resilient in the face of a natural disaster?

• One with high species richness and evenness.

• One with high species richness, but low evenness.

• One with low species richness, but high species evenness.

• One with just a few dominant species.

A population is defined as individuals of the same species within a given area that have the potential to interbreed and interact.

• True

• False