Food Chains and Energy Pyramids

In a tropical rainforest, insects feed on leaves while frogs eat the insects. At ground level, fungi digest waste material to supply their nutritional needs. What are the frogs in this ecosystem?

• parasites

• decomposers

• consumers

• producers

Tags

NGSS.MS-LS2-3

____________are responsible for recylcing matter back into the food web once an organism has died.

• carnivores

• omnivores

• decomposers

• producers

The animals in the food web release ___________ into the enviornment, which plants then use for ___________.

• oxygen, respiration

• water, photosynthesis

• carbon dioxide, photosynthesis

• carbon dioxide, respiration

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

• Producers

• Carnivores

• Herbivores

• Top Predator

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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-LS2-3

Where does the energy start in this food chain?

• Plant

• Sun

• Deer

• Wolf

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.

• It shows how sunlight flows within an ecosystem.

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

• They represent how water is transferred within a habitat.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

An energy pyramid represents what?

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

• How much energy a particular organism needs. 

• 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-LS1-6

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?

• 80%

• 90%

• 10%

• 20%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which trophic level has the least amount of energy?

• 1

• 2

• 3

• 4