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WorksheetsLife Science: 4th grade review
Total questions: 46
Worksheet time: 49mins
Name
Class
Date
1.
What is an adaptation?
a)
A feature or behavior that helps an animal survive.
b)
The food that an animal eats.
c)
How energy moves in a food web.
d)
How animals evolve throughout time.
2.
Amphibian means _____.
a)
Land water
b)
Double life
c)
Land mammal
d)
Aquatic mammal
3.
I breathe with lungs, lay eggs, am ectothermic (cold-blooded), and often have scaly skin which holds in the water. What am I?
a)
fish
b)
mammals
c)
birds
d)
reptile
4.
I live part of my life in water and part on land. I am born with gills but grow lungs. I am ectothermic (cold-blooded). I have moist smooth skin. What am I?
a)
fish
b)
bird
c)
amphibian
d)
mammal
5.
The only group of animals that begin their lives breathing through gills in the water and as adults can live on land breathing with lungs.
a)
amphibians
b)
arthropods
c)
mammals
d)
fish
6.
I have dry and rough skin, lay eggs, breathe with lungs, and am ectothermic (cold-blooded). What am I?
a)
Fish
b)
Mammals
c)
Amphibians
d)
Reptiles
7.
Turtles, lizards, snakes and crocodiles are all examples of what class?
a)
Amphibians
b)
Reptiles
c)
Birds
d)
Mammals
8.
Which class has organisms with dry, scaly skin?
a)
Amphibians
b)
Reptiles
c)
Birds
d)
Mammals
9.
How do reptiles exchange oxygen and carbon dioxide?
a)
lungs
b)
gills
c)
through their skin
d)
they don't need to exchange gases
10.
How many pairs of legs do arachnids include?
a)
4
b)
3
c)
5
d)
2
11.
All arachnids have...
a)
8 eyes
b)
8 legs
c)
Venom
d)
super powers
12.
Which organisms have two body segments and four pair of jointed appendages
a)
crustaceans
b)
insects
c)
arachnids
13.
How many legs does an insect have?
a)
2
b)
6
c)
4
d)
8
14.
What is a spider?
a)
insect
b)
arachnid
c)
both
15.
What are three main body parts of an insect?
a)
Head, chest, tail
b)
Head, antenna, abdomen
c)
Thorax, antenna, heart
d)
Head, thorax, abdomen
16.
Why is it important for you animals to use camouflage?
a)
it warns predators to stay away
b)
it startles them with a flash of color
c)
it makes them look dead so predators won't eat them
d)
it hides them from predators while their parents are away
17.
Some animals use mimicry. This means they
a)
imitate other animals or plants
b)
make loud sounds
c)
steal from other animals
18.
An animal lacking a backbone
a)
Invertebrate
b)
Vertebrate
19.
An animal with a backbone
a)
Invertebrate
b)
Vertebrate
20.
A rigid external skeleton or covering
a)
Endoskeleton
b)
Exoskeleton
c)
Metamorphosis
d)
Nervous System
21.
If an animal migrates then they
a)
find a hole to sleep in
b)
change the color of their fur
c)
travel to a warmer location
22.
Animals that adapt...
a)
Stay the same
b)
Change certain characteristics to survive
c)
Bake cookies
23.
What does it mean to hibernate?
a)
To change your physical characteristics
b)
To sleep for an extended period of time during the winter
c)
To travel to a warmer location
d)
To eat all the oreos
24.
Animals hibernate in ______________.
a)
winter
b)
spring
c)
summer
d)
fall
25.
When animals ______________, their body temperature drops and their breathing slows down.
a)
migrate
b)
hibernate
c)
tropical
d)
habit
26.
_________ is when animals move from one place to another due to seasonal change, following a food or water source, or to find a mate and give birth.
a)
body covering
b)
omnivore
c)
migration
d)
herbivore
27.
What do you call an inherited BEHAVIOR?
a)
inherited trait
b)
learned behavior
c)
instinct
d)
dominant gene
28.
Which of the following is an instinct?
a)
riding a bike
b)
building a nest
c)
sitting on command
d)
reading
29.
What is an inherited trait?
a)
A behavior that an organism obtains from experiences.
b)
Characteristics passed from parents to offspring.
c)
A natural behavior that an organism inherits.
30.
What is an instinct?
a)
Characteristics passed from parents to offspring.
b)
A natural behavior that an organism inherits.
c)
A behavior that an organism obtains from experiences.
31.
Mammals are animals that
a)
Don't have a backbone
b)
Have live young
c)
Lay eggs
d)
Live in the jungle
32.
What are mammals?
a)
coldblooded
b)
warmblooded
c)
hotncoldblooded
d)
noblooded
33.
What is the relationship between predators and prey?
a)
Predators eat prey.
b)
Prey eat predators.
c)
Predators and prey eat each other.
d)
Predators and prey eat plants.
34.
An animal that kills and eats another animal is
a)
prey
b)
a predator
c)
an omnivore
d)
a carnivore
35.
An animal that gets eaten by another animal is
a)
prey
b)
a predator
c)
an omnivore
d)
a carnivore
36.
What body system produces blood cells for the body?
a)
Nervous System
b)
Digestive System
c)
Respiratory System
d)
Skeletal System
37.
What system allows motion in the body?
a)
Digestive System
b)
Stomach
c)
Musuclar System
d)
Veins
38.
Which body system transports oxygen and nutrients through out the body?
a)
Muscular System
b)
Nervous System
c)
Digestive System
d)
Circulatory System
39.
What system breaks food down into energy for the body?
a)
Stomach
b)
Digestive System
c)
Respiratory system
d)
Lungs
40.
Which system provides shape and support, enables you to move, protects your internal organs, and stores minerals?
a)
skeletal
b)
muscular
c)
digestive
d)
nervous
41.
Which system takes oxygen into the body and eliminates carbon dioxide?
a)
immune
b)
nervous
c)
respiratory
d)
circulatory
42.
Which system is made of the smooth, skeletal, and cardiac muscles?
a)
skeletal
b)
muscular
c)
nervous
d)
excretory
43.
Fish are...
a)
Vertebrates
b)
Invertebrates
44.
Which is NOT a characteristic of a reptile?
a)
Warm Blooded
b)
Scaly skin
c)
Has lungs
d)
lays leathery eggs
45.
What word means body temperature stays the same no matter what the outside temperature is?
a)
cold blooded
b)
warm blooded
c)
classify
d)
vertebrate
46.
What word means body temperature changes when the outside temperature changes?
a)
cold blooded
b)
warm blooded
c)
classify
d)
vertebrate
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