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