Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Environmental changes

Total questions: 30

Worksheet time: 1hrs 12mins

Name
Class
Date
1.
A large amount of dust and ash from a recent volcanic eruption settles in the region. Which of the following organisms that live near the volcano will most likely survive? 
a)
Deer
b)
Grasses
c)
Trees
d)
Fish
2.
An organism that cannot adapt to changes in the environment will most likely - 
a)
produce more offspring
b)
die
c)
change its traits to survive
d)
store more food
3.
All of the following are examples of environmental changes that can be caused by humans except - 
a)
clearing land for housing developments
b)
pesticides
c)
volcanic eruption
d)
pollution
4.
Scientists gathered the following data on lizard populations for several years. The results are shown in the table. Which environmental factor most likely contributes to the change in lizard population? 
a)
increase in available water and food
b)
increase in shelter
c)
increase in predators
d)
increase in light
5.

When a population thrives, it means that-

a)

the number of organisms is decreasing.

b)

it is growing strong and reproducing.

c)

the number of organisms is increasing.

d)

the number of organisms stays the same.

6.

A fire destroys all of the trees and plants in the forest. How might this affect the birds in the area?

a)

The birds will plant seeds and grow new trees.

b)

The birds will have more food to eat.

c)

The birds will plant seeds and grow new trees.

d)

The birds will have no place to build their homes.

7.

Changes to an environment may make it more difficult for an organism to find-

a)

food.

b)

shelter.

c)

water.

d)

all of the above

8.

When an environment changes and organisms can no

longer meet their basic needs they will most likely −

a)

thrive.

b)

perish.

c)

not be affected.

d)

none of the above

9.

A healthy environment, with no sudden changes will help

organisms to −

a)

die out.

b)

perish.

c)

move to new locations.

d)

thrive.

10.

Very little rainfall, hot weather, and cracked ground

describe which change to an environment?

a)

volcanic erruption

b)

landslide

c)

drought

d)

flood

11.

How might cutting down the trees in a rainforest

environment affect the animals that live there?

a)

All of the animals that live there will perish rapidly.

b)

Animals will move to new areas to meet

their needs.

c)

The animals will make their homes

under ground.

d)

Animals that eat tree leaves

will become carnivores.

12.

When changes to an environment happen, animals-

a)

move.

b)

perish.

c)

adapt.

d)

all of the above

13.
If humans cleared a forest to build homes, we would expect _____________.
a)
fewer tree-dwelling animals
b)
increased insect populations
c)
more development of soil
d)
more frequent thunderstorms
14.

How will the construction shown above most likely effect the environment?

a)

Animals in different parts of the ecosystem will be separated

b)

Habitats on both sides of the road will be damaged by flooding

c)

Plants will stop growing in the cleared ground

d)

Populations of predators will increase in this region.

15.

too many of the same organism in one area

a)

native species

b)

overpopulation

c)

invasive species

d)

restore (restoration)

16.

organisms that entered a new ecosystem and multiplied, hurting native species and their habitats

a)

overpopulation

b)

inpact

c)

restore (restoration)

d)

Invasive species

17.

trees are cut down in large numbers to clear the land; this can lead to erosion and loss of soil

a)

impact

b)

restore (restoration)

c)

deforestation (clear cutting)

d)

invasive species

18.

problem that occurs when grazing animals like cattle and sheep eat too much vegetation (grass)

a)

habitat

b)

overgraze

c)

thrive

d)

global warming

19.

Place where an organism lives, organisms' home

a)

habitat

b)

overgraze

c)

thrive

d)

global warming

20.
If the population of prey increases, the population of predators will ________because of the availability of food.
a)
decrease
b)
stay the same
c)
increase
21.
What is a drought?
a)
Not enough rain
b)
Too much rain.
c)
Too much people using water
d)
Strong winds
22.
If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?
a)
The bird population would stay the same
b)
The bird population would increase fast
c)
The bird population would decrease
23.
What would cause a decrease in the rabbit population?
a)
An increase in grass growing
b)
A decrease in caterpillars
c)
An increase in owls
d)
An increase in fox
24.
Which of the following would have a negative impact on an ecosystem
a)
constructing highways
b)
planting trees
c)
recycling paper
25.
How does a bird "change its environment" to meet its NEEDS?
a)
builds a nest
b)
flies around
c)
catches bugs
d)
looks for something to eat
26.
What do scientist call organisms that are not native to an ecosystem and cause harm to native organisms?
a)
native plants
b)
invaders
c)
invasive species
d)
natural species
27.
When a certain population becomes so dense that it harms or changes the quality of life in that environment, we have...
a)
a population
b)
overpopulation
c)
pollution
28.
Which is NOT an example of a natural environmental change?
a)
a beaver dam
b)
a hurricane
c)
a volcanic eruption
d)
a housing development
29.
When would the size of a population of animals decrease?
a)
When the number of births is less than the number of deaths
b)
When the number of births is greater than the number of deaths
c)
When the number of births is the same as the number of deaths
d)
Populations of animals are always decreasing.
30.
Which of these populations is most likely to decrease if the number of grasshoppers decreases?
a)
plants
b)
frog
c)
praying mantis
d)
owl

Similar Resources on Wayground

Unit 10: Exploring the Universe Chapter Review

25 questions

Unit 10: Exploring the Universe Chapter Review

quiz

Worksheet

•

5th - 8th Grade