8.L.3

Animals and plants cannot directly use all of the nitrogen found in our atmosphere.

• True

• False

Tags

NGSS.MS-LS2-3

Which is true of the relationship between the grass and lion?

• The grass is the consumer and the lion is the producer.

• As the grass population increases, the lion population increases.

• As the grass population decreases, the lion population increases.

• As the grass population increases, the lion population remains

  the same.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following is in order from largest to smallest?

• ecosystem – community – population – organism

• ecosystem – population – community – organism

• ecosystem – community – organism – population

Which of the following is a density-dependent limiting factor?

• human activities

• migration

• natural disaster

• unusual weather

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following is a density-independent limiting factor?

• predation

• natural disaster

• parasitism

• disease

When a specific population grows past the ecosystem's carrying capacity, what happens to the population?

• Density Independent limiting factors start to occur resulting in the population going farther above carrying capacity.

• The population will go extinct due to lack of resources

• The population grows then finds a new carrying capacity

• Density Dependent limiting factors start to occur resulting in the population going back below carrying capacity.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which shows the correct flow of energy through this simple food chain?

• fox → grass → rabbit

• grass → fox → rabbit

• grass → rabbit → fox

• rabbit → grass → fox

Tags

NGSS.MS-LS2-3

Where is the largest amount of energy in a food web?

• scavengers

• producers

• decomposer

• consumers

Tags

NGSS.MS-LS2-3

Which statement about parasitism is most correct?

• Both organisms benefit.

• One organism benefits and the other is not affected.

• Neither organism benefits.

• One organism benefits and the other is negatively affected.

Bees and butterflies help pollinate plants, enabling them to reproduce while getting nectar from those plants. Which is best represented by this relationship?

• mutualism

• predator and prey

• parasitism

• competition

Tags

NGSS.MS-LS2-2