Energy Flow in an Ecosystem

Food chains usually do not go past third level consumers because

• There is nothing to eat the third level consumer.

• The amount of energy available is too low to support another level.

• Decomposers will quickly break down third level consumers.

• Third level consumer have no natural predators.

Tags

NGSS.MS-LS2-3

What is a secondary consumer?

• An organism that eats only plants

• An organism that eats only animals

• An organism that eats producers

• An organism that eats primary consumers

The energy that is used by a plant to carry out photosynthesis comes from

• A primary consumer

• A decomposer

• The sun

• An herbivore

Tags

NGSS.MS-LS1-6

If a rabbit eats a plant and a fox eats the rabbit, the rabbit is a

• A secondary consumer

• An omnivore

• A primary consumer

• A decomposer

Tags

NGSS.MS-LS2-2

Energy eneters an ecosystem in the form of ​ (a)   and exits in the form of ​ (b)   . This energy cannot be recycled.

• Sunlight

• Heat

• Snow

• Water

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Of all the sun's energy that reaches the Earth, less than ​ (a)   is actually used by living organisms.

• 1%

• 50%

• 100%

Which trophic level contains the most energy in the pyramid?

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Label the Energy Pyramid

a

b

c

d

460,000 J

460 J

46,000 J

4,600 J

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

a particular environment and all the living things that are supported by it

• Ecology

• Ecosystem

• Biotic Factor

• Abiotic Factor

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Where do all life forms get their energy?

• Earth's Core

• Water

• Plants

• The Sun

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3