Matter and Energy in Ecosystems

What do the arrows in a food web show?

• who is the most powerful

• the next organism that uses the energy

• the prey

• the sun

Tags

NGSS.MS-LS2-3

All of the living and nonliving components that interact in an environment.

• population

• ecosystem

• community

• organism

Tags

NGSS.MS-LS2-3

If humans over-hunted a population of insect-eating birds, what immediate change would likely be seen in the area?

• Increased seedling germination

• Increased populations of insects

• Migration of small mammals

• Severe loss of vegetation

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What would most likely happen if an ecosystem no longer received sunlight?

• The number of herbivores would increase.

• The number of plants would increase.

• All organisms would adapt.

• All living organisms would eventually die.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is a decomposer?

• an organism that breaks down dead organisms for energy

• an organism that makes its own food

• an organism that eats other organisms

Tags

NGSS.MS-LS2-3

What is the source of all energy?

• water

• food

• decomposers

• sun

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

Where do producers get their energy from?

• the ground

• other animals

• decomposers

• the sun

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The capturing of the suns energy is possible through a process called _____________

• Chemosynthesis

• Photosynthesis

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

What type of organism makes its own food?

• consumer

• carnivore

• producer

• animal

Tags

NGSS.MS-LS1-6

consumer gets energy by

• absorbing sunlight.

• breaking down dead organisms.

• soaking it up from the ground.

• feeding on other organisms.