Food Chains, Webs and Energy Pyramids

In this food chain the _______ has the least energy avaialble for its life processes.

• omnivore or fish

• producer or aquatic plant

• carnivore or osprey

• herbivore or shrimp

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Why are producers always found at the lowest trophic level?

• Producers are larger than consumers.

• Produers are found in fewer numbers than consumers.

• Consumers are eaten by a variety of producers.

• Producers convert light energy into chemical energy

In food chains, the flow of energy is ALWAYS ______.

• two-way

• uncontrolled

• one-way

• reversible

Tags

NGSS.MS-LS2-3

What organism in the food web contains the most energy?

• hawk

• grass

• bacteria

• grasshopper

Tags

NGSS.MS-LS1-6

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

What is the ultimate source of energy in a food web?

• sunlight

• decomposers

• consumers

• producers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

If you were to place the bear into the energy pyramid, the bear would go on level _____ and have ____ amount of energy available to it.

• C, the most

• A, the greatest

• A, the least

• C, the least

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In this food chain, we could classify plants as ____________and the animals as ________.

• consumers, predators

• producers, predators

• consumers, decomposers

• producers, consumers

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Beginning with the producer, which represents the correct order in a typical food chain?

• grass- rabbit- fox- lion

• rabbit- fox- lion- grass

• lion- fox- rabbit- grass

• grass- fox- rabbit- lion

Tags

NGSS.MS-LS2-3

Fox, shrub, lizard, and grasshopper. Which organism would have the least amount of energy available if they were arranged in an energy pyramid?

• fox

• grasshopper

• shrub

• lizard

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3