Ecology Quiz

What is an example of an Abiotic Factor?

• A living organism in the environment

• Water, temperature, sunlight, air, and soil

• An organism that eats other organisms

• An organism that breaks down tissue

What is the role of Decomposers in an ecosystem?

• They limit the number of individual organisms in a population

• They provide habitat for organisms

• They make their own food through photosynthesis

• They break down tissue and release nutrients back into the ecosystem

What is a Biotic Factor?

• A nonliving part of the environment

• A living or once-living organism in the environment

• A place where an organism lives

• A factor that limits the number of individual organisms in a population

What is a Habitat?

• A nonliving part of the environment

• A living or once-living organism in the environment

• The place where an organism lives

• A factor that limits the number of individual organisms in a population

What is a Producer in an ecosystem?

• Organism that gets its energy from eating other organisms

• Any organism that can make its own food through photosynthesis

• Any nonliving part of the environment such as water, temperature, sunlight, air and soil

• The place where an organism lives

What is a Limiting Factor?

• A nonliving part of the environment

• A living or once-living organism in the environment

• The place where an organism lives

• An abiotic or biotic factor that limits the number of individual organisms in a population

What is meant by population density?

• The act of one organism hunting, killing, and feeding on another organism

• A symbiotic relationship that benefits one organism without affecting the other organism

• Number of individuals in a population that occupies an area of limited size

• A symbiotic relationship where both organisms benefit

What does a Consumer do in an ecosystem?

• Breaks down tissue and releases nutrients back into the ecosystem

• Makes its own food through photosynthesis

• Gets its energy from eating other organisms

• Limits the number of individual organisms in a population

What defines a population?

• All the individuals of one species that live in the same area

• A close interaction between two or more different species

• The act of one organism hunting, killing, and feeding on another organism

• A symbiotic relationship where both organisms benefit

What is an Ecosystem?

• A living or once-living organism in the environment

• The place where an organism lives

• All the communities of organisms in an area and the abiotic factors they interact with

• An abiotic or biotic factor that limits the number of individual organisms in a population