Ecosystems Trophic Levels

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

NGSS.MS-LS2-2

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

NGSS.MS-LS1-6

In aquatic ecosystems, biomass is least at which trophic level?

• autotrophs
• herbivores
• carnivores

Tags

NGSS.MS-LS2-3

Trophic levels are represented by 

• squares
• circles
• pyramids
• lines

Food chains are interconnecting food webs.

• true
• false

Tags

NGSS.MS-LS2-3

Which animal is the apex predator?

• hawk
• lizard
• snake
• grass

Tags

NGSS.MS-LS2-4

What does every food chain start with?

• producers
• sun
• consumer
• decomposers

Tags

NGSS.MS-LS2-3

Which animal is not the apex predator but, a predator to a mouse?

• hawk
• rabbit
• snake
• grass

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

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