Energy Pyramids, Food Chains & Webs

How much energy (in kcal) is found at the third trophic level?

• 5000 kcal

• 5 kcal

• 0.005 kcal

• 50 kcal

Tags

NGSS.MS-LS2-3

An organism that gets energy from breaking down dead organisms, non-living material, or waste is a(an) -

• producer

• consumer

• decomposer

• autotroph

Tags

NGSS.MS-LS2-3

All first level consumers are -

• producers

• herbivores

• carnivores

• decomposers

Tags

NGSS.MS-LS2-2

Which of the following correctly shows how energy flows through a food chain?

• carnivore---> producer---> herbivore

• Sun---> producer---> herbivore---> carnivore

• Sun---> herbivore---> carnivore---> producer

• producer---> carnivore---> herbivore

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A food _______ is a series of events in which one organism eats another and obtains energy.

• chain

• web

• pyramid

• plate

Tags

NGSS.MS-LS2-3

A food _______ consists of many overlapping food ________.

• web, chains

• chain, webs

• pyramid, webs

• web, pyramids

Tags

NGSS.MS-LS2-3

In this food chain, what will happen if the frogs become extinct?

• The snake population will increase.

• The grasshopper population will decrease.

• The eagle population will remain the same.

• The grasshopper population will increase.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

If these organisms were arranged in a food pyramid, which organism would have the least amount of total energy available?

• coyote
• insect
• lizard
• shrub

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

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-LS2-3

Which organisms in the food web are secondary consumers ?

• Butterfly

• Corn

• Rat

• Thrush

• Fruit Fly

Tags

NGSS.MS-LS2-3