Organisms
Environments
Food Chain
100
Polar bears usually stand on floating ice when they hunt. How would warmer temperatures affect polar bears?
A) There would be more ice. So, hunting would be easier.
B) There would be less ice. So, hunting would be easier.
C) There would be more ice. So, hunting would be harder.
D) There would be less ice. So, hunting would be harder.
D) There would be less ice. So, hunting would be harder.
100
What does a fire take away from a forest that squirrels need to survive?
F. food and soil
G. food and shelter
H. water and soil
J. water and shelter
G. food and shelter
100
Look at the food chain below.
Which way does energy flow in the food chain?
A. from the grass to the Sun
B. from the owl to the mouse
C. from the mouse to the grass
D. from the grass to the mouse
D. from the grass to the mouse
200
Screech owls nest in holes in trees. They eat mice and crickets. Where would a screech owl most likely live?
F. a beach
G. a forest
H. a desert
J. a rainforest
G. a forest
200
Which of these will MOST likely harm a habitat?
F. planting trees
G. water pollution
H. rainfall
J. sunlight
G.
water pollution
200
The picture below shows parts of a food chain on a farm.
Which of the following best shows the flow of energy through this food chain?
Which of the following best shows the flow of energy through this food chain?
A. Chicken → Human → Corn
B. Corn → Chicken → Human
C. Human → Chicken → Corn
D. Corn → Human → Chicken
B. Corn → Chicken → Human
300
Which animal would you expect to find living in the trees of a forest ecosystem?
A.
B.
C.
D.
C.
300
Which statement is MOST likely the reason that trees in a forest are different heights?
A. Some trees need less sunlight than others.
B. People have been hiking near some of the trees.
C. The forest has not received rain in a long time.
D. Birds are building nests in parts of the forest.
A. Some trees need less sunlight than others.
300
Look at the food chain below.
In this food chain, what is the role of the grass?
In this food chain, what is the role of the grass?
F. Provides energy for the grasshopper
G. Provides food for the mouse
H. Provides water for the owl
J. Provides sunlight for itself
F. Provides energy for the grasshopper
400
Which organism must spend part of its life on water and part on land?
F. reptile
G. mammal
H. insect
J. amphibian
J. amphibian
400
When Oliver's father cuts down trees in their yard, they always plant new trees. After cutting down one tree, they realized some squirrels were living in that tree. What will most likely happen to these squirrels?
A. The squirrels will wait for a new tree to grow to live in.
B. The squirrels will die because they will have no home.
C. The squirrels will learn to live on the ground instead.
D. The squirrels will move to another tree to live in.
D. The squirrels will move to another tree to live in.
400
The picture below shows an ocean food chain.
Which part of this food chain receives energy last?
Which part of this food chain receives energy last?
A. The alga
B. The crab
C. The minnow
D. The seagull
D. The seagull
500
Which animal would MOST likely stay where it is?
A. a fox in forest fire
B. a frog whose pond has dried up
C. a beaver that just finished building its dam
D. a rabbit whose food is gone because of a drought
C. a beaver that just finished building its dam
500
The picture shows a pond environment.
Which is most likely to happen if this pond environment stops getting rain?
Which is most likely to happen if this pond environment stops getting rain?
F. The number of herons near the pond will rise. The snapping turtles will die. More ducks will move into the pond.
G. Fish in the pond will die. Alligators will move to a new location. Land plants will start to grow in the soil of the pond.
H. Alligators in the pond will die. The ducks will move to a new pond. The number of water lilies in the pond will increase.
J. The number of snapping turtles in the pond will rise. The fish will swim to a new pond. More alligators will move into the pond.
G. Fish in the pond will die. Alligators will move to a new location. Land plants will start to grow in the soil of the pond.
500
The picture below shows a food chain.
What will most likely happen if most of the grass in this environment disappears?
What will most likely happen if most of the grass in this environment disappears?
F. The number of foxes in this environment would go up because there would be more rabbits.
G. The number of foxes in this environment would go down because they would need to find more grass to eat.
H. The number of rabbits would go up because they would be able to hide in the dark soil that has little grass.
J. The number of rabbits would go down because they would run out of food to eat.
J. The number of rabbits would go down because they would run out of food to eat.