IB ESS

An organism that uses sunlight to create its own food is known as a:

• Autotroph

• Heterotroph

• Consumer

• Decomposer

Tags

NGSS.MS-LS1-6

The hawk receives energy from which organisms?

• Dear and Rabbit

• Shrew and Rabbit

• rabbit and Berries

• Shrew and Dear

Tags

NGSS.MS-LS2-3

According to this food web, how many consumers are herbivores?

• 2

• 1

• 4

• 5

Tags

NGSS.MS-LS2-2

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

Which letter represents amplitude? (a)  

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS4-1

What is an organism that breaks down & absorbs dead matter so nutrition can be recycled into the soil?

• Consumer

• Decomposer

• Producers

• Scavenger

Tags

NGSS.MS-LS2-3

Which of the following is most likely to occupy the second trophic level of a food chain?

• carnivore

• herbivore

• detritivore

• scavenger

Tags

NGSS.MS-LS2-3

When energy is wasted or lost, it is in the form of what?

• Carbon Dioxide

• Heat

• Water

Tags

NGSS.MS-PS3-4

How much energy gets passed from one organism to another during a feeding relationship?

• 90%

• 25%

• 10%

Tags

NGSS.MS-LS2-3

There are 40,000g of biomass energy available on trophic level one. How much energy is available for the tertiary consumer?

• 400,000g

• 4,000g

• 400g

• 40g

• 4g

Tags

NGSS.MS-LS2-3