Food Web, Food Chain, and Energy Pyramids

Which organisms in the food web are secondary consumers ?

• Butterfly

• Corn

• Rat

• Thrush

• Fruit Fly

Tags

NGSS.MS-LS2-2

If the phytoplankton in the energy pyramid in the figure have 20,000 kcal of energy, how much energy does the mackerel have?

• 20.000 kcal

• 2,000 kcal

• 1,000 kcal

• 200 kcal

• 20 kcal

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Check the boxes next to the organisms in the food web that are tertiary consumers

• Eagle

• Wolf

• Python

• Dragonfly

• Frog

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Check the boxes next to all the terms that can be used to describe the frog in the food chain in the picture.

• Autotroph

• Heterotroph

• Primary Consumer

• Secondary Consumer

• Herbivore

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

If the fish population decreases, what is the most direct effect this will have on the aquatic ecosystem?

• The krill population will only be consumed by seagulls.

• The phytoplankton population will increase in size.

• The zooplankton population will increase in size.

• The leopard seals will all die from lack of food.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Examine the energy pyramid. Which organism best represents a secondary consumer?

• grass

• rabbit

• snake

• eagle

Tags

NGSS.MS-LS2-3

What would happen to the grasshopper population in this food chain if the snake population decreased due to disease?

• The grasshopper population would not be affected

• The grasshopper population would increase.

• The grasshopper population would decrease.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

If the crustaceans in this energy pyramid have 1,000kcal of energy, how many kilocalories of energy will the sharks have.

• 1,000 kcal

• 500 kcal

• 100 kcal

• 10 kcal

• 1 k cal

Tags

NGSS.MS-LS2-3

Which organism in the food web pictured is a primary consumer.

• Lavender

• Dragonfly

• Rat

• Butterfly

Tags

NGSS.MS-LS2-2

Check the box next to all the organisms in this food web that are autotrophs.

• Grasshoppers

• Grains

• Birds

• Grasses

• Carrots

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3