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Adaptations
Test Description: 4th grade Science- chapter 3
Instructions: Answer all questions to get your test result.
1) What are certain traits or characteristics that help living things survive in their environments?
A
Physical characteristics
B
Adaptations
C
Habitats
D
Behaviors
2) Which of the following is an example of mimicry?
A
a lizard that changes color to blend in with its environment
B
A skunk using a strong odor to scare away predators
C
a giraffe with a king neck to reach high leaves
D
a nonthreatening snake that looks like another more poisonous snake
3) When an animal blends in with its surroundings, it is using what?
A
Migration
B
Camouflage
C
Mimicry
D
Hibernation
4) Which of these is an example of hibernation?
A
a camel that closes its nostrils to keep out sand
B
a bird's color matching its surroundings
C
a desert fox with large ears
D
a chipmunk sleeping for most of the winter
5) Which of these is an example of camouflage?
A
a bear that sleeps in a cave all winter long
B
a moth that looks and acts like a hummingbird
C
an elephant that uses its large ears to fan itself
D
a colorful fish that lives among bright colored coral
6) Plants respond to light by growing away from the source of it.
A
False
B
True
7) The roots of most plants grow the same direction as gravity.
A
True
B
False
8) The environment is always changing.
A
False
B
True
9) Building dams can create new habitats for some species.
A
True
B
False
10) Animals' traits can help them meet their needs within their habitat.
A
False
B
True
11) When a bird flies south for the winter, it_________________.
A
camouflages
B
hibernates
C
migrates
D
mimics
12) Plants have tropisms to all of the following except________.
A
water
B
light
C
gravity
D
odor
13) Which word describes a plant's response to its environment?
A
stimulus
B
tropical
C
gravity
D
tropism
14) What is a tropism?
A
a change in climate
B
a plant's response to its environment
C
an animal's adaptation
D
something found in soil
15) Pollution, volcanoes, and forest fires are all examples of what?
A
environmental changes
B
effects of overpopulation
C
causes of deforestation
D
types of pollution
16) If there are no living members of a species left, that species is what?
A
dead
B
endangered
C
extinct
D
migratory
17) Species that are more sensitive to pollution than others are called ________ species.
A
endangered
B
overly sensitive
C
indicator
D
extinct
18) Which of these are natural events that change ecosystems?
A
earthquake, over fishing, fire
B
flood, pollution, deforestation
C
farming, recycling, over fishing
D
huricane, flood, landslide
*select an answer for all questions
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