Populations and Graphs
Predator and Prey

Levels of Organization
Producers, Consumers, Decomposers
Energy Flow
Food Webs
Life Cycles and Niches
Habitat and Environment
Classification
Plant Differences
100

If one species stays at 80 individuals from May through August, the population is:

Increasing

Decreasing

Constant

Extinct

Constant

100

Which includes both living and nonliving things?

Organism

Population

Community

Ecosystem

Ecosystem

100

Energy in most food chains begins with:

Decomposers

Carnivores

The Sun

Soil

The Sun

100

A tadpole breathes through gills and eats plants.  As a frog, it breathes through lungs and eats insects.  What changed?

Only its size

Only its color

Its niche and diet

Nothing changed

Its niche and diet

100

Which characteristic do fish have?

Feathers

Fins and gills

Fur

Lungs

Fins and gills

200

A butterfly population drops from 100 in April to 20 in August.  What happened?

The population increased

The population decreased

The population stayed the same

The population doubled

The population decreased

200

A group of deer living in the same forest is called a:

Community

Ecosystem

Population

Biome

Community

200

In the chain

Sun -> Plant ->Butterfly -> Frog

The frog gets energy from:

The Sun directly

The plant

The butterfly

The soil

The butterfly

200

An owl that hunts small animals at night is acting in its:

Habitat

Niche

Biome

Population

Niche

200

Snake, fish, mouse, and bird all share which trait?

They have scales

They have feathers

They have backbones

They have fur

They have backbones

400

If the hawk population increases, what will most likely happen to the mouse population?

Increase

Decrease

Stay the same

Turn into predators

Decrease

400

Which organism is a producer?

Hawk

Grass

Frog

Fox

Grass

400

If two animals eat the same prey, they are:

Decomposers

Competitors

Producers

Scavengers

Competitors

400

Ospreys eat fish.  Where would they most likely live?

Desert

Prairie

Near water

Mountains

Near Water

400

Roses and daisies are different because they may have different:

Methods of photosynthesis

Flower color and shape

Root purpose

Oxygen production systems

Flower color and shape

500

In a food chain:

Grass -> Rabbit -> Fox


If rabbits disappear, what will most likely happen to the fox population?

Increase

Decrease

Become producers

Eat grass

Decrease

500
What is the role of decomposers?


Make food from sunlight

Hunt other animals

Break down dead organisms

Compete for water

Break down dead organisms

500

Which shows the correct energy flow?

Fox -> Rabbit -> Grass

Grass -> Rabbit -> Fox

Rabbit -> Grass ->  Fox

Sun -> Fox -> Grass


Grass -> Rabbit -> Fox

500

A raccoon living inside a hollow tree is using the tree as:

Food

Shelter

Energy

Competition

Shelter

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