7th Grade Unit 9 Matter & Energy in an Ecosystem

 Each trophic level can only give 10% of its energy to the next level

• 10% Rule

• Food Chain

• Food Web

• Trophic Levels

Tags

NGSS.MS-LS2-3

Make food for themselves using light energy, carbon dioxide, and water

• Decomposer

• Autotrophs 

• Heterotrophs

• Consumer

Tags

NGSS.MS-LS1-6

The part of the Earth that can support life; includes all living things and the places they are found

• 10% Rule 

• Consumer

• Biosphere 

• Trophic levels 

Tags

NGSS.MS-LS2-2

Organisms that break down dead material and recycle nutrients.

• Nutrients

• Consumer

• Decomposer

• Primary consumer 

Tags

NGSS.MS-LS2-3

 A model that shows how the energy available to organisms at each trophic (feeding) level of an ecosystem is decreased

• Energy pyramid

• Food Web

• Food Chain

• Trophic levels

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A simple path of energy flow in an ecosystem

• Food Web

• Food Chain

• Energy Pyramid 

• Biosphere

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A complex network of interconnected food chains

• Food Web

• Energy Pyramid

• Food Chain

• Nutrients

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Eat other organisms for food

• Autotrophs

• Heterotrophs 

• Consumers

• Decomposers

A substance that provides nourishment essential for growth and the maintenance of life

• Energy Pyramid

• Nutrients 

• Decomposer

• 10% Rule

Tags

NGSS.MS-LS2-1

 Organisms that eat only plants

• Primary consumer

• Secondary consumer

• Tertiary consumer

• Trophic Levels