WorksheetsUnit 2 Review!
Total questions: 34
Worksheet time: 40mins
Name
Class
Date
1.
What is an Ecosystem?
a)
Where living and non living things interact
b)
The role an organism plays in its environment.
c)
A group of the same species living in the same area.
d)
Groups of different species living in the same area.
2.
What is a Niche?
a)
Where living and non living things interact
b)
The role an organism plays in its environment.
c)
Two or more organisms needing the same resource.
d)
Groups of different species living in the same area.
3.
What is Competition?
a)
When two or more organisms depending on different resources to survive.
b)
When and organism eats another organism to live.
c)
The role an organism plays in its environment.
d)
Two or more organisms depend on the same resource.
4.
Which of the following is a consumer?
a)
Insect
b)
Grass
c)
Seeds
d)
Fruit
5.
A lion eats an antelope. The antelope is the
a)
Producer
b)
Hunter
c)
Predator
d)
Prey
6.
Which of the following is and example of an ecosystem?
a)
All the corn plants in a field.
b)
A Whale in the ocean.
c)
A pack of wolves
d)
All the living and non living things in a pond.
7.
Which shows the correct sequence in a complete life cycle.
a)
Egg, Pupa, Larva, Adult.
b)
Pupa, Larva, Egg, Adult.
c)
Larva, Adult, Egg, Pupa.
d)
Egg, Larva, Pupa, Adult.
8.
Which example best shows competition?
a)
A fish and algae in a bowl.
b)
A tree growing in the yard.
c)
A cat eating.
d)
Two birds trying to build a nest in the same place/
9.
In order to produce their own food plants need?
a)
Oxygen, water, sunlight.
b)
Oxygen and carbon dioxide, soil.
c)
Carbon dioxide, soil, water
d)
Carbon dioxide, water, sunlight
10.
Two students built an Aquarium. They placed gravel on the bottom and added water. They placed aquatic plants in the gravel and added fish. The students made a small...
a)
Organism
b)
Life cycle
c)
Ecosystem
d)
Terrarium
11.
Harp seals give birth to their young in snowy ice fields in the Arctic. The baby seals have white coats. The mother leaves her young alone. What is the function of the seals white coat?
a)
It makes it easier for the mother to find it.
b)
It makes it hard for predators to see it.
c)
It helps it break through chunks of ice.
d)
It helps is get air from the surface.
12.
Harp seals give birth to their young in snowy ice fields in the Arctic. The baby seals have white coats. The baby seals white coat is a
a)
Acquired Traits
b)
Inherited Behavior
c)
Learned Behavior
d)
Inherited Trait
13.
A trait that is passed down from generation to generation by parents to offspring
a)
Acquired Trait
b)
Learned Behavior
c)
Inherited Trait
d)
Inherited Behavior (Instincts)
14.
Which is and example of an Inherited Behavior (Instinct)
a)
A baby using a spoon to eat
b)
A child born with green eyes.
c)
A robin building a nest.
d)
A baby with a scar on his face.
15.
Suppose all the trees in the grassland ecosystem were to perish. Which basic need would the giraffes have the most trouble finding?
a)
Shelter
b)
Water
c)
Food
d)
Air
16.
a)
Bass, because they are predators in this web
b)
Copepods, because they support two chains in this web
c)
Crayfish, because they are at the bottom of this web
d)
Algae, because they are the producers in this web
17.
a)
Fire ant
b)
Blue jay
c)
Bee
d)
Hawk
18.
a)
The mice would become the new producers.
b)
All animals would either die or move away.
c)
The number of mice would increase.
d)
All the animal populations would increase.
19.
a)
Prey
b)
Producer
c)
Decomposer
d)
Consumer
20.
a)
By competing with other animals for food
b)
By moving slower than most other animals
c)
By causing other animals to reproduce more
d)
By eating foods that no other animals eat
21.
A dog has white and black fur and brown eyes. Its offspring has white and black fur and brown eyes. The hair color of the dog is -
a)
a learned behavior
b)
an example of camouflage
c)
an inherited trait
d)
an example of mimicry
22.
An example of a physical adaptation is...
a)
a turtle hiding inside its shell
b)
The spikes on a porcupine fish
c)
a rabbit burrowing underground
d)
a viper biting when threatened
23.
Grasshopper is an example of ________
metamorphosis.
metamorphosis.
a)
complete
b)
incomplete
c)
both
24.
A butterfly is an example of __________ metamorphosis.
a)
complete
b)
incomplete
c)
both
25.
Perish means _________
a)
die
b)
grow
c)
thrive
26.
In complete metamorphosis which stage doesn't belong?
a)
egg
b)
nymph
c)
larva
d)
adult
27.
In incomplete metamorphosis which stage doesn't belong?
a)
egg
b)
nymph
c)
pupa
d)
adult
28.
A connection of food chains with many food energy paths in an ecosystem is a ____________
a)
ecosystem
b)
food web
c)
environment
29.
An animal that is hunted and eaten for food is a
a)
predator
b)
prey
30.
An organism that gets energy from eating dead organisms, non-living material or waste
a)
producer
b)
consumer
c)
decomposer
31.
What is a carnivore?
a)
an animal that gets energy by eating other animals
b)
An animal that gets energy by eating only plants
c)
an animal that gets energy by eating both plants and animals
32.
An animal that gets energy from eating both plants and animals is a
a)
herbivore
b)
carnivore
c)
omnivore
33.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
34.
Which of the following is NOT a consumer
a)
grass
b)
dog
c)
shark
d)
fish
100 %
