Competition in Ecosystems

What is the maximum population size of a species that an environment can support called?

• Predation

• Competition

• Carrying capacity

• Symbiosis

Intraspecific competition occurs between:

• Different species

• Organisms of the same species

• Predators and prey

• Symbiotic relationships

Which of the following is an example of a predator-prey relationship?

• Trees and squirrels

• Bears and salmon

• Hermit crabs and snails

• Protozoa and termites

Mutualism is defined as a relationship in which:

• One organism benefits while the other is harmed

• One organism benefits while the other is neither helped nor harmed

• Both organisms benefit

• Both organisms are harmed

What type of symbiotic relationship involves one organism benefiting at the expense of another?

• Mutualism

• Commensalism

• Parasitism

• Competition

The relationship where hermit crabs use abandoned snail shells is an example of:

• Mutualism

• Commensalism

• Parasitism

• Interspecific competition

Tags

NGSS.MS-LS2-2

Which of the following is an example of commensalism?

• Lampreys feeding on fish

• Termites and protozoa

• Squirrels living in trees

• Bears hunting salmon