Exam 4: Community Ecology, Population Ecology, and the Human Population

Which country has the largest number of people?

Labeling -On the exponential growth of reindeer figure, choose the portion of the graph that can referred to as "dieback."

Predator-prey relationships are beneficial at the ____ level, but harmful at the ____ level.

Logistic growth

What is the major difference between generalist species and specialist species?

A population crash occurs when

Most organisms have reproductive patterns between the opportunist and competitor extremes.

How do keystone species differ from indicator species?

Rats are examples of ____________________ because they reproduce and disperse rapidly and produce many offspring to ensure survival of the species.

The polar bear is a(n)____________________ species to cold regions.

Resource partitioning is one solution to the problems associated with ecological succession.

Non-native or invasive species are threatening and should be eradicated.

Less-developed countries generally have high population growth rates because birth rates are high and death rates are low.

The size of a species' population, be that of an animal or plant, is influenced by births, deaths, immigration, and emigration.

An environmentally relevant benefit to protecting the world's sharks is to