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WorksheetsUnit 8 Review
Total questions: 15
Worksheet time: 4hrs 45mins
Name
Class
Date
1.
A factory releases chemicals into a river and pollutes it. Which organism is MOST LIKELY to be hurt first by the pollution?
a)
Fish
b)
deer
c)
birds
d)
trees
2.
The trees in a woodland area are destroyed by a forest fire. How would this event affect the habitat of a squirrel that lives in the area?
a)
F The squirrel would not have any water.
b)
G The squirrel would change its fur color.
c)
H The squirrel would not be affected at all by the fire.
d)
J The squirrel would lose its source of food and shelter.
3.
Arboreal animals are animals that spend most of their lives in trees. In which of the following habitats would a fire cause the death of many arboreal animals?
a)
Ocean
b)
Forest
c)
Desert
d)
Grassland
4.
The owl will have less food if the frogs are removed. Which statement explains why?
a)
Owls eat frogs, and there will be no frogs.
b)
The beetle will eat the food meant for the owl
c)
Snakes will not have frogs to eat, so owls will not have snakes to eat
d)
The trees will be full of beetles, and there will be no room for the owl.
5.
a)
Hawk
b)
Snake
c)
Cactus
d)
Kangaroo rat
6.
Which statement about this food chain is true?
a)
The snake preys on the hawk.
b)
The hawk preys on the snake
c)
H The kangaroo rat preys on the hawk.
d)
J The cactus preys on the kangaroo rat.
7.
During the summer, students visit a local pond during the day. Which of the following animals will the student MOST LIKELY see?
a)
Frog
b)
Deer
c)
coyote
d)
Dolphin
8.
All of the following are prey, EXCEPT –
a)
F the owl and the tree.
b)
G the frog and the tree
c)
H the snake and the tree.
d)
J the beetle and the tree.
9.
Which of the following is considered the producer in this food chain?
a)
the owl
b)
The tree
c)
Frog
d)
Snake
10.
10 In the wild, coyotes hunt mostly rabbits for food. Coyotes also kill and eat chickens on farms. Suppose that farmers in the area started hunting and killing all the coyotes to save their chickens. Which of the following will MOST LIKELY happen?
a)
The number of rabbits would increase.
b)
The number of coyotes would increase.
c)
F The number of rabbits would decrease.
d)
J The number of chickens would decrease.
11.
11 The model in the picture is used to represent a forest ecosystem. How is this model NOT like the real forest?
a)
A Both the forest and the model have plants.
b)
The model has soil, and the forest does not.
c)
The model has animals, and the forest does not
d)
The forest has animals, and the model does not
12.
11 Which ecosystem best supports a community of bison, coyotes, mice, rabbits and snakes?
a)
desert
b)
forest
c)
grassland
d)
fresh water pond
13.
13 Many corals live in temperate (mild) waters. Scientists have found that this water is slowly warming up. Which of the following will MOST LIKELY happen to these animals if the water continues to get warmer?
a)
A They will grow larger.
b)
They will move to land
c)
A They will eventually die.
d)
They will increase in numbers
14.
Look at the chart below.What need for a turtle should be added to the list shown above?
a)
F Snow to play in
b)
Trees to climb
c)
Predators to hunt it
d)
J Air for it to breathe
15.
In this food chain, the arrows are used to show the flow of energy from one organism to another.The frog gets its energy directly from
a)
grass
b)
snake
c)
the sun
d)
the grasshooper
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