ecology

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

Trophic levels are represented by 

• squares
• circles
• pyramids
• lines

Tags

NGSS.MS-LS2-3

Which animal is the apex predator?

• hawk
• lizard
• snake
• grass

Tags

NGSS.MS-LS2-4

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

Which of the following might you find at trophic level 1?

• A sea urchin

• A spiny sculpin

• A great white shark

• A strand of bull kelp

An organism that uses an outside source of energy like the sun to create energy-rich food molecules.

• Consumer
• Producer
• Decomposer
• Parasite 

An organism that obtains energy by eating other organisms.

• Consumer
• Producer
• Decomposer
• Detriov

An organism that obtains energy by consuming plants.

• Omnivore
• Herbivore
• Carnivore