Interactions of Trophic

The chart shows predator and prey relationships in four different ecosystems.. Which is a correct example of a change that would happen to one population because of a change in the other population because of a predator/prey relationship?

• When the population of sharks decreases because of fishing, the population of small fish will decrease.

• When the population of sharks decreases because of fishing, the population of small fish will decrease.

• During hunting season when many deer are killed by hunters, the mountain lion population will decline.

• When the mice population increases due to having more resources, the population of snakes will decrease.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Which of the following is a tertiary consumer in this food web?

• Rabbit

• Hedgehog

• Fox

• Bacteria

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What would happen to all organisms on the food web if a disease killed off most of the grass?

• Increase

• Decrease

• Stay the same

• What is a disease?

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-1

The efficiency of energy transfer from a lower trophic level to the next highest level is roughly

• 1%

• 10%

• 100%

• 1000%

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which of the following is most likely to cause an increase in the croaker population?

• an increase in the anchovy population

• a decrease in the crab population

• a decrease in the bluefish population

• a decrease in the algae population

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-1

A step or position in a food chain.

• 10% Rule

• Energy Pyramid

• Trophic Level

• Biomass

The monkey would be a

• decomposer

• producer

• primary consumer

• secondary consumer

Tags

NGSS.MS-LS2-2

The third (3) trophic level of the food chain is___.

c

Primary consumers

Secondary Consumers

Tertiary consumers

Producers

Tags

NGSS.MS-LS2-3

Correctly label each trophic level

a

b

c

d

e

apex predator

secondary consumers

producers

primary consumers

tertiary consumers

Tags

NGSS.MS-LS2-3

The ​ (a)   are producers, such as plants and fungi. The ​ ​ (b)   has herbivores who primarily eat plants. The ​ (c)   contains organisms that primarily feed on animals in the secondary tropic level. These organisms are carnivores, omnivores and detritivores.

• 1st trophic level

• tertiary trophic level

• secondary trophic level

Tags

NGSS.MS-LS2-2