Chapter 3: Energy in Ecosystems

What is the original source of almost all energy in most ecosystems?

• carbohydrates

• sunlight

• water

• soil

What is the term for each step in the transfer of energy and matter within a biological community?

• energy path

• food web

• trophic level

• food pyramid

What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.

•  How herbivores get their food.

• A single pathway or energy flow between organisms. 

• How carnivores get their food. 

The image provided is an example of a(n):

• Producer

• Autotroph

• Consumer

• Insect

The nonliving aspects of an ecosystem.

• Abiotic factors

• Biotic factors

• organisms

• bears

The living portions of the ecosystem.

• Biotic factors

• Abiotic factors

• Water

• Sunlight

Water temperature would be an example of ...

• A biotic factor

• An abiotic factor

Tags

NGSS.MS-LS2-3

Organisms that feed on both living producers and other consumers.

• Carnivores

• Omnivores

• Herbivores

• Detritivores

Tags

NGSS.MS-LS2-2

A collection of organisms that belong to different populations but all live in the same area and interact with one another.

• Population

• Ecosystem

• Community

• Ecosphere

Tags

NGSS.MS-LS2-4

Organisms that can capture energy from sunlight and use it to produce carbohydrates.

• Producers

• Consumers

• Decomposers

• Carnivores