Lesson 7 Population Quiz

The interactions organisms have in an ecosystem keep population numbers stable and do not bounce up and down.

• True

• False

If there is a moderate disturbance in an ecosystem. Population numbers may vary. However, the ecosystem may return to its original status.

• True

• False

Ecosystems are not affected by minor disturbances.

• True

• False

Resources are not affected by extreme changes to population size in an ecosystem.

• True

• False

Ecosystems never change.

• True

• False

Bacteria are they only organism that exhibit logistical growth.

• True

• False

Scientists use models to study processes that are too difficult to study directly.

• True

• False

Exponential model of population is a realistic way of looking at populations.

• True

• False

Population

• A resistance to change

• Simplest way of looking at population growth

• Type of animals living in an area

• Ability to manufacture own food

Logistical

• Type of animals living in an area

• A model that factors in carrying capacity when looking at population growth

• Biological community of interacting organisms and their physical environment

• Simplest way of looking at population growth