ES Ch 5

Front

Southern sea otters are keystone species that are important to the _____ ecosystems in which they live.

Back

kelp forest

Front

Competition between two oak trees for obtaining resources is an example of _____ within species.

Back

intraspecific competition

Front

What is the most common reason that one species would mimic the appearance of another species?

Back

to trick predators into avoiding them

Front

Example of plants with long, tubular flowers pollinated by moths with long mouth parts.

Back

coevolution

Front

Oxpecker birds feed on parasites that live on large animals like impala. The birds get a source of food and the predators get their parasites removed. This relationship is an example of -

Back

mutualism

Front

Cattle egrets forage alongside cattle, benefiting from insects stirred up by the cattle, which remain unaffected. This relationship is an example of -

Back

commensalism

Front

After a major forest fire, communities of plants and other organisms become reestablished after the area begins to build up a thin layer of soil. This is called -

Back

secondary succession

Front

Tropical rainforests seem to have a great deal of inertia, but not much _____ to restore species after they have been destroyed.

Back

resilience

Front

Because grasslands are less diverse than tropical forests and have deep root systems, after a fire they tend to exhibit ____________

Back

High resilience

Front

Which four factors govern changes in population size?

Back

Births, deaths, immigration, and emigration