Food Webs

Which best describes what a food chain shows you?

• Energy flow through an ecosystem

• Food flowing through an ecosystem

• Consumers going into other consumers

• Who eats who

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Where does the energy start in this food chain?

• Hawk

• Snake

• Sun

• Fungi

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the role of a producer?

• Gain energy from eating other organisms

• Breaking down dead stuff

• Use sunlight to make food

• Keep other species from overpopulating

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph

• Producer

• Mutualist

• Consumer

Tags

NGSS.MS-LS2-3

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.

• They show what direction the energy is flowing between organisms.

• It shows how sunlight flows within an ecosystem.

• They represent how water is transferred within a habitat.

Tags

NGSS.MS-LS2-3

What is a trophic level?

• Each level represented within a food chain or web.

• Levels of ecosystems that the world is divided into.

• The levels of sunlight an autotroph needs to survive.

• Different levels of nutrients present within an organism.

Tags

NGSS.MS-LS2-3

An energy pyramid represents what?

• How much energy a particular organism needs.

• How much sunlight is available for the ecosystem to use.

• How much energy is needed to build a pyramid.

• The amount of energy available to the next 'feeder' in a food web.

Tags

NGSS.MS-LS2-3

How much energy is available to be passed on to the next trophic level in an ecosystem?

• 700%

• 20%

• 5%

• 10%

Tags

NGSS.MS-LS2-3

In the energy pyramid here, which organisms have the most energy available?

• Top Predator

• Herbivores

• Carnivores

• Producers

Tags

NGSS.MS-LS2-3

In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?

• 90%

• 20%

• 37%

• 10%

Tags

NGSS.MS-LS2-3