Science Skills
Living Things
Populations
Interactions
Energy Moving through Ecosystems
100

What tool would a scientist use to find out how tall a plant grows each day?

A ruler

100

The smallest unit of an ecosystem is called ___

a. organism

b. population

c. community

Organism. 

ONE member of a species is an ORGANISM.

100

What does the line on a graph do if a population increases?

It goes up.

100

An animal that is killed and eaten is called ___

a. prey

b.predator

Prey

100

Animals that eat only plants.

a. herbivores

b. carnivores

c. omnivores

Herbivores

200

Observations are objective and true. Which statement is an observation?

a. The plant has flowers.

b. The plant is pretty.

A. The plant has flowers.

200

Living things or things that came from living things are called ___

a. biotic factors

b. abiotic factors

Biotic Factors

200

What does a line on a graph do if a population decreases?

The line goes down

200

An animal that hunts and kills for food is called __

a. prey

b. predator

Predator

200

Chimpanzees eat fruit, leaves and insects. What kind of consumer are they?

a. herbivore

b. carnivore

c. omnivore

Chimpanzees are OMNIVORES

300

Observations are statements that describe what you see. Which statement is an observation?

A. The plant might grow berries.

B.  The plant is 6 inches tall.

B. The plant is 6 inches tall.

300

Which of the following is a biotic factor?

a. leaves

b. sunlight

c. water


Leaves

300

What is the main way populations increase in size?


Birth

300

Which of the following is a predator?

a. deer

b. rabbit

c. wolf

Wolf

300

Bacteria and fungus break down the remains of organisms. They are called ___

a. herbivores

b. carnivores

c. decomposers

Decomposers

400

A student wrote down her observations and measurements. What do we call these?

a. data

b. procedure

c. prediction

Data

400

The non-living things in the environment, like rocks and water, are called ____.

a. biotic factors

b. abiotic factors

Abiotic Factors

400

The main way a population decreases in size is by ___


Death

400

A(n) ____ is a behavior or physical characteristic that allows an organism to live successfully in its environment.

a. habitat

b. adaptation

c biotic factor

adaptation

400

What is at the beginning of every food chain?

Sunlight

500

I hope you were listening to the 400 point question. What do we call information collected during an experiment?

Data is collected during an experiment. Data can be measurements or obsevations.

500

Sunlight and water are abiotic factors. Name another abiotic factor.

Dirt, rocks, air, temperature

500

The smallest unit of an ecosystem is ___

a. organism

b. population

c. community

Organism. An organism is ONE member of a species.

500

Which of the following are prey animals? Find 2.

a. deer

b. jellyfish

c. venus fly traps

d. rabbits

Deer and rabbits are killed and eaten by other animals.

500

What kind of organism make their own food by photosynthesizing?

a. plants

b animals

c. decomposers

Plants use sunlight to make food for themselves.