Trophic Levels and Population Quiz

Which of the following illustrates the correct ordering of trophic levels?

• decomposers-carnivores-autotrophs-herbivores
• herbivores-autotrophs-carnivores-decomposers
• autotrophs-herbivores-carnivores-decomposers
• carnivores-producers-omnivores

Tags

NGSS.MS-LS2-3

The efficiency of energy transfer from a lower trophic level to the next highest level is roughly

• 1%
• 10%
• 100%
• 1000%

Tags

NGSS.MS-LS2-3

Food chains are interconnecting food webs.

• true
• false

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Why is a shark a carnivore.

• because it eats seaweed
• because it eats dead animals
• because it eats sand 
• because it eats other animals

The unique position that a species has in the physical use of its habitat and in its function (job) within an ecosystem  

• producer
• biotic factors
• ecosystem
• niche

Tags

NGSS.MS-LS2-4

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-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-LS2-3

What does a food chain represent?

• How all living organisms within a habitat are connected.
• All of the things that a particular animal eats.
• How plants create their own food.
• A single path of energy transfer within a habitat.

Tags

NGSS.5-LS2-1

Which of the following is a herbivore?

• cricket
• frog
• hawk
• shrew

Tags

NGSS.MS-LS2-4

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