Ecology Test Review

A group of organisms of the same species that live in the same area is called a(n)

• community

• population

• biome

• ecosystem

Herbivores are which of the following?

• producers

• secondary consumers

• primary consumers

• decomposers

Organisms that feed on dead or decaying mater are called

• herbivores

• carnivores

• omnivores

• detritivores

What do all the biotic and abiotic factors in a given area make up?

• a habitat

• a community

• an ecosystem

• a population

Which of the following provide most of the energy in ecosystems?

• keystone species

• carnivores

• generalists

• producers

Almost all autotrophs get their energy from

• sunlight

• hydrothermal pools

• decaying matter

• producers

Predation is best described as

• one organism capturing and eating another

• two organisms competing for limited resources

• an interaction in which two species benefit from each other

• an interaction in which one species benefits and other is not affected

What characteristic do all deserts have in common?

• very dry climate

• constant hot temperatures

• plants with long roots

• no seasons

Which biome has hot summers, cold winters and precipitation spread over the whole year?

• mountainous coniferous forest

• Mediterranean shrubland

• temperate deciduous forest

• tropical rain forest

An oak tree provides a sparrow a place to build a nest. The nest neither benefits nor harms the tree. What is the name of this type of symbiosis?

• mutualism

• commensalism

• predation

• parasitism