Ecology Quiz

What is a habitat?

• A type of organism

• The environment that provides resources for an organism to live, grow, and reproduce

• A group of interacting organisms

• A nonliving physical factor

Which of the following are considered biotic factors?

• Water, soil, light, temperature

• Birds, trees, mosses, bacteria

• Diseases, food, water, climate

• All of the physical factors

What are abiotic factors?

• Diseases and food

• Organisms of the same species

• All of the physical, nonliving factors that affect organisms living in a particular area

• The environment where an organism lives

What does the term 'population' refer to in an ecosystem?

• A single organism

• All the organisms that live together and interact with one another

• All members of one species living in a particular environment

• The nonliving components of an environment

What are limiting factors in an ecosystem?

• Factors that increase the size of a population

• The physical space where an organism lives

• Environmental factors that can limit the size of a population

• The resources available for organisms to live, grow, and reproduce

What is a community in ecological terms?

• A single species living in a specific area

• An individual organism interacting with its environment

• An area that contains more than one type of living thing

• A group of people living in the same place

What does an ecosystem consist of?

• Only the nonliving environment

• Only a community of organisms

• A community of organisms and the nonliving environment

• A single organism and its environment

Which of the following are considered producers in an ecosystem?

• Organisms that eat other consumers for energy

• Organisms that feed on the bodies of dead organisms

• Organisms that use sunlight for energy

• Organisms that eat both plants and animals

What is the role of decomposers in an ecosystem?

• They eat only plants for energy

• They use sunlight for energy

• They get energy by breaking down the remains of dead organisms

• They eat both plants and animals for energy

Which of the following is an example of a carnivore?

• Cows & sheep

• Vultures & many large carnivores

• Bobcats & wolves

• Humans & bears