Which type of system allows both energy and matter to enter?

• Closed System

• Open System

• Isolated System

• None of the above

When a system is in a stable balance, we say it is (in) __________.

• equilibrium

• isolation

• unbalanced

• closed

When you run or walk vigorously, you sweat, and evaporation cools your skin. This is an example of _________

• a feedback loop

• a positive feedback loop

• a negative feedback loop

• an isolated system

Tags

NGSS.MS-PS3-5

The sunlight, carbon dioxide and water combine in _________to create carbohydrates.

Tags

NGSS.MS-LS1-6

Which of the following is an example of a closed system?

• A sealed flask containing a liquid that is heated.

• A fish tank with continuous water exchange.

• A running car engine that releases heat.

• An open bowl of boiling water.

Match the following

• Interactions - a community & environment

• What is a population?

• Interactions -populations of organisms

• What is a species?

• All members of a species in a given area

• What is a community?

• It is similar organisms of the same kind

• What is an ecosystem?

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

A producer is also known as a (n) ________

• primary consumer

• secondary consumer

• heterotroph

• autotroph

What is the correct order of a food chain?

• Secondary Consumer

• Producer

• Primary Consumer

• Tertiary Consumer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-2

NGSS.MS-LS2-3

An organism's feeding status in an ecosystem can be expressed as its _____ ______

• organized level

• primary level

• trophic level

• bottom level

Tags

NGSS.MS-LS2-3

________eat both plant and animal matter.

• Autotrophs

• Herbivores

• Carnivores

• Omnivores