Ecology Reviewer

___ are the first organisms to colonize an area and begin the process of ecological succession.

• foundational organisms

• primary organisms

• introductory organisms

• pioneer species

Primary succession occurs in an area that has:

• Has Soil

• Has Some Soil

• Has No Soil

• none of these

Ecology is the study of:

• only the living things in the environment

• how living things interact with each other and the nonliving things in the environment

• only the nonliving things in the environment

• scientists who perform research on living things

What is a species?

• Different animals that compete for the same resources

• A group of organisms that live together

• A group of similar organisms that can reproduce with each other

• A group of organisms that are physically and functionally very different from each other

Organisms that can make their own food do so by the process of:

• decomposition

• photosynthesis

• respiration

• scavenging

What is a food chain?

• A representation of an organism’s life cycle

• The sequence of events that occurs during photosynthesis

• A way to show the feeding relationships between organisms

• A way to show how animals interact with nonliving parts of the environment

How much energy is transferred between trophic levels?

• 25%

• 10%

• 20%

• 90%

What happens when different species try to occupy the same niche?

• The species compete with each other

• The species coexist with each other

• The species cooperate with each othe

• All of the above

Which statement best describes how water cycles in the environment?

• Water only cycles from plants to animals

• Water only cycles between animals and the hydrosphere

• Water only cycles between plants and the soil

• Water cycles between living things and the nonliving parts of Earth

What do you call water that flows on Earth’s surface from high elevation to low elevation?

• Clouds

• Runoff

• Precipitation

• Groundwater