Ecology Part 2 Review

The place where an organism lives and that provides the things the organism needs is called its _______.

• species

• habitat

• population

• community

Soil that is frozen all year long in the tundra is called ________.

• sand

• permafrost

• clay

• compost

True of False: Three types of symbiotic relationships are mutualism, commensalism, and parasitism.

• False: predation

• False: prey adaptations

• False: competition

• True

True or False: The grasslands is extremely cold and dry.

• False: tundra

• False: tropical rain forest

• False: termperate deciduous forest

• True

An organism's particular role in its habitat, or how it "makes its living", is called its _________.

• ecosystem

• niche

• competition

• carrying capacity

The first species to populate an area where primary succession is taking place is called the __________.

• primary species

• succession species

• pioneer species

• secondary species

Anything that limits an organism's ability to live in a particular environment is called a ________ factor.

• abiotic

• biotic

• limiting

• natural

The series of changes that occurs after a disturbance in an existing ecosystem is called _______.

• pioneer succession

• secondary succession

• primary sucession

• disturbance succession

When a flea is living on a dog, the dog is the _____.

• parasite

• predator

• prey

• host

This is the process of gradual, natural change and species replacement that takes place in communities of ecosystems over time.

• cycling

• succession

• tolerance

• symbiosis