Tn Ready: Ecosystems (standards 1-2)

What is the term for the maximum number of individuals that an environment can support?

• Limiting factor

• Carrying capacity

• Symbiosis

• Decomposer

Tags

NGSS.MS-LS2-4

Which of the following is an example of a limiting factor in an ecosystem?

• Amount of sunlight

• Number of producers

• Mutualism

• Predator

Tags

NGSS.MS-LS2-1

In a symbiotic relationship, what is mutualism?

• One organism benefits, the other is harmed

• Both organisms benefit

• One organism benefits, the other is unaffected

• Both organisms are harmed

Which of the following is an example of parasitism?

• Bees and flowers

• Tapeworms in a host

• Birds nesting in trees

• Fish swimming in schools

Which of the following best describes commensalism?

• Both organisms benefit

• One organism benefits, the other is harmed

• One organism benefits, the other is unaffected

• Both organisms are harmed

Tags

NGSS.MS-LS2-2

Which of the following is an example of competition in an ecosystem?

• Two birds fighting over a nesting site

• A lion hunting a zebra

• A bee pollinating a flower

• A tree providing shade

What is the relationship between predator and prey?

• Both benefit from the interaction

• The predator benefits, the prey is harmed

• The prey benefits, the predator is harmed

• Both are unaffected

Tags

NGSS.MS-LS2-3

Explain how carrying capacity can affect a population.

• It determines the maximum population size an environment can sustain

• It increases the number of predators in an area

• It decreases the amount of available resources

• It has no effect on population size

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

How do limiting factors influence an ecosystem?

• They increase the number of producers

• They restrict the growth of populations

• They eliminate predators

• They provide unlimited resources

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Describe how mutualism can benefit both organisms involved.

• One organism is harmed, the other benefits

• Both organisms gain resources or protection

• One organism is unaffected, the other benefits

• Both organisms are harmed