Energy Flow and Cycling of Matter

An ecosystem includes

• All living factors

• All nonliving factors

• All nonliving and living factors

• All biomass anywhere

Tags

NGSS.MS-LS2-3

What type of ecosystem is this?

• Terrestrial

• Aquatic

Producers obtain their energy by

• the process of hunting for prey

• the process of eating plants

• the process of photosynthesis to make their own food from sunlight

• the process of breaking down once living things

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

The job of decomposers in an ecosystem is to

• break down once living things from all levels of the ecosystem to recycle nutrients back to producers

• break down only top level consumers to recycle nutrients

• break down only producers to recycle nutrients

• give energy to all levels of the ecosystem

Tags

NGSS.MS-LS2-3

Heterotroph means

• the organisms get their energy from eating other organisms

• the organisms make their own food from photosynthesis

• the organims get energy from breaking down once living things

Autotroph means

• the organism can make its own food from photosynthesis

• the organsim gets its energy from eating other organisms

• the organism gets energy from breaking down once living things

Tags

NGSS.MS-LS1-6

Herbivores get their energy from

• eating other animals

• eating plants

• using sunlight to make their own food

• breaking down once living things

Tags

NGSS.MS-LS2-3

Carnivores get their energy by

• eating other animals

• eating plants

• eating both plants and animals

• breaking down once living organisms

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-7

This trophic pyramid most shows

• how matter cycles in this ecosystem

• how energy flows through this ecosystem

• how energy cycles in this ecosystem

• all the living things that live in this ecosystem

Tags

NGSS.MS-LS2-3

Which of the following is an example of a food producer?

• Human
• Grizzly Bear
• Orca
• Oak Tree

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6