Human’s Impact on the Environment Quiz

What term describes a biological community of interacting organisms and their physical environment?

• Biodiversity

• Ecosystem

• Population

• Trophic Level

Which term is used to describe a species that no longer exists?

• Endangered

• Extinct

• Consumer

• Decomposer

What is the term for the maximum number of individuals of a particular species that an environment can normally and consistently support?

• Carrying Capacity

• Limiting Factor

• Competition

• Mutualism

Which term refers to the variety of life in the world or in a particular habitat or ecosystem?

• Population

• Biodiversity

• Producer

• Parasitism

What describes the interaction where one organism lives on or in a host and harms it?

• Competition

• Mutualism

• Parasitism

• Trophic Level

What happens in an ecosystem when the producer is removed?

• The ecosystem remains stable.

• The number of consumers increases.

• The ecosystem collapses.

• New producers quickly replace the old ones.

What is the consequence of removing a fox from the ecosystem?

• The population of rabbits decreases.

• The population of grasshoppers increases.

• The population of rabbits increases.

• The population of owls decreases.

Which of the following is an example of competition between individual organisms?

• A fox and a rabbit competing for food.

• Two foxes competing for territory.

• A rabbit and a carrot competing for sunlight.

• Two carrots competing for nutrients.

What is an example of competition between different populations?

• Foxes and rabbits competing for water.

• Owls and foxes competing for mice.

• Grasses and carrots competing for sunlight.

• Mice and grasshoppers competing for seeds.

How does population growth relate to resources in an ecosystem?

• Population growth does not affect resource availability.

• As population grows, resource competition decreases.

• As population grows, resource competition increases.

• Resources increase as population grows.