Ecosystems: Lessons #5-7

What term describes organisms that rely on food in the form of plants, animals, and other living organisms?

• consumers

• producers

• decomposers

• nutritionist

When animals need energy, chemical processes occur that release the stored energy from ingested food and make it available for use. What is the term used to describe and measure a unit of food energy?

• vitamiin

• nutrient

• mineral

• calorie

Tags

NGSS.MS-LS1-7

What is the evidence for this scientific claim:

Claim:  I claim that a peanut has more stored energy than a marshmallow.

• The peanut weighed more than the marshmallow on a digital scale.

• The marshmallow burned faster than the peanut.

• The peanut burned longer and the temperature of the water increased more when burning the peanut.

• The marshmallow increased the temperature of the water more than the peanut did.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What term describes the materials that organisms consume that are a source of both matter and energy?

• oxygne

• heat

• food

• sunlight

Tags

NGSS.MS-LS1-7

NGSS.MS-LS1-6

Which of the following is NOT a consumer?

• seal

• cactus

• monkey

• elephant

What was proven when the peanut was heated and the water temperature increased?

• transfer of power

• transfer of matter

• transfer of energy

• transfer of cells

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

NGSS.MS-PS3-3

What was proven when the weight of the potato decreased and the weight of the jar of mealworms increased?

• transfer of matter

• transfer of energy

• transfer of power

• transfer of water

Tags

NGSS.MS-LS2-3

What are three reasons or examples of why animals need food?

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1