LS6 Quiz

What is a population in the context of a community?

• The study of interactions that occur among organisms and their environments.

• All the organisms of the same species that live in an area at the same time.

• The largest number of individuals of one species that an ecosystem can support over time.

• When two or more organisms seek the same resource at the same time.

Tags

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What does the term 'ecosystem' include?

• Only the living organisms in an area.

• Only the nonliving parts of the environment.

• All the populations of all species living in an ecosystem.

• All the organisms living in an area, as well as the nonliving parts of that environment.

Tags

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Who are ecologists?

• All the organisms of the same species that live in an area at the same time.

• Scientists who study the interactions that occur among organisms and their environments.

• The largest number of individuals of one species that an ecosystem can support over time.

• Organisms that compete for resources in their habitat.

Tags

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What is meant by 'limiting factor'?

• The study of interactions that occur among organisms and their environments.

• The largest number of individuals of one species that an ecosystem can support over time.

• Anything that restricts the number of individuals in a population.

• When two or more organisms seek the same resource at the same time.

Tags

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What is the definition of 'carrying capacity'?

• The study of interactions that occur among organisms and their environments.

• All the organisms of the same species that live in an area at the same time.

• Anything that restricts the number of individuals in a population.

• The largest number of individuals of one species that an ecosystem can support over time.

What is competition in an ecological context?

• The study of interactions that occur among organisms and their environments.

• All the organisms of the same species that live in an area at the same time.

• Anything that restricts the number of individuals in a population.

• When two or more organisms seek the same resource at the same time.

What can cause a change in the population of a species?

• Birthrates and death rates only

• Movement of species only

• Cooperation among animals

• Birthrates, death rates, and movement of species

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What is the purpose of animals establishing a social order?

• To change the population size

• To ensure that labor and resources are shared

• To avoid danger

• To benefit from mutual relationships

What is a symbiotic relationship?

• A relationship where both organisms are harmed

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

• A relationship where both organisms benefit

• Any close relationship between species

Which of the following is an example of mutualism?

• Pets and roundworms

• Alga and cyanobacterium within the tissue of a fungus

• Anemone and clown fish

• A predator and its prey

Tags

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