Ecosystem Quiz

What is an ecosystem?

• A place where an organism lives

• All the living and nonliving things in an area and their interactions

• A chemical substance produced by animals

• An organism's role in its community

What defines a stable ecosystem?

• One where organisms compete for resources

• One where population sizes and resources change unpredictably

• One where population sizes and resources cycle regularly and energy flows at a constant rate

• One where organisms live in isolation

What is a niche?

• A place where an organism lives

• An organism's role in its community

• A symbiotic relationship between organisms

• An area that an animal claims

What is mutualism?

• A relationship where one organism benefits and the other is harmed

• A relationship where both organisms benefit

• A relationship where one organism benefits and the other does not seem to benefit

• An interaction where one organism kills another

What is a pheromone?

• A place where an organism lives

• A chemical substance that triggers a response in other animals of the same species

• An organism's role in its community

• An area that an animal claims

What is taxonomy?

• The study of plant growth

• The field of biology that deals with classifying organisms

• The study of animal behavior

• The study of ecosystems

Which is the largest group of organisms in the modern classification system?

• Kingdom

• Genus

• Domain

• Species

What is a prokaryote?

• An organism with a distinct nucleus

• An organism made up of one cell that lacks a nucleus and membrane-bound organelles

• An organism that makes its own food

• An organism that feeds on other organisms

What is binomial nomenclature?

• A system of naming organisms with a unique three-part name

• A system of naming organisms in which each kind of organism is given a unique two-part name

• A system of naming organisms based on their color

• A system of naming organisms based on their habitat

What is a dichotomous key used for?

• To measure the growth rate of plants

• To determine the identity of something by matching observations to a series of paired statements or questions

• To classify animals based on their diet

• To track the migration patterns of birds