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Unit 3 Interdependence Pre-Test

Total questions: 40

Worksheet time: 59mins

Name
Class
Date
1.
Which of the following is the CORRECT ORDER IN  FOOD CHAIN?
a)
A.  Sun — producer — omnivore— decomposer — carnivores
b)
A.  Sun — producers — herbivores — carnivores — decomposer
c)
A.  Sun — consumers — scavenger — parasites — host
d)
A.  Sun — producers — decomposers — consumers — omnivores
2.
Use the picture to answer this question.
In this food web, what would happen to the population of insects if the population of frogs decreases?
a)
 The insect population would decrease because there are fewer frogs feeding on them.
b)
The insect population would stay the same because other organisms eat them.
c)
The insect population would increase because there are fewer frogs feeding on them
d)
The insect population would increase because there are no more snakes feeding on them.  
3.
Use the picture to answer this question.
In this food chain, which organism is a producer?
a)
Grass, because it makes its own food
b)
Deer, because it only eats other consumers
c)
Wolf, because it only eats other consumers
d)
Mushroom, because it makes its own food
4.
Use the picture to answer this question.
Which organism is a carnivore in this food web?
a)
Plant, because it makes its own food.
b)
Rabbit, because it only eats producers
c)
snake, because it eats both producers and consumers
d)
Fox, because it only eats other consumers
5.
A deer's diet consists of grasses, the soft parts of plants and leaves. Which term describes the deer according how it obtains food for energy?
a)
Herbivore
b)
omnivore
c)
carnivore
d)
producer
6.
an omnivore is
a)
an organism that eats only producers
b)
an organism that eats only animals
c)
an organism that eaths both producers and consumers
d)
an organism that eats only plants 
7.

An environment that provides the things organisms need to survive.

a)

niche

b)

ecosystem

c)

habitat

d)

population

8.
What would best explain the decrease in primary producers?
a)
an increase in solar energy
b)
a decrease in O2 levels in the H2O
c)
a decrease in the population of tertiary consumers
d)
an increase in the population of primary consumers
9.
What would best explain the decrease in primary producers?
a)
an increase in solar energy
b)
a decrease in O2 levels in the H2O
c)
a decrease in the population of tertiary consumers
d)
an increase in the population of primary consumers
10.

What is it called when a plant or animal has a trait that helps it survive in a specific environment?

a)

instinct

b)

mimicry

c)

camouflage

d)

adaptation

11.

Plants that live in salt marshes absorb a lot of salt water. What adaptation do these plants most likely have?

a)

They have spines on their leaves.

b)

They depend on rain for water.

c)

They have stiff stems for support in water.

d)

They have a way to get excess salt out of their bodies.

12.

Desert plants have a coat of wax on their leaves to

a)

keep water from escaping

b)

protect them from animals eating them

c)

absorb water from the air

d)

release scent to attract animals

13.

Mr. Walker plants a new plant next to a tall tree in his yard. It is partly in the sun, but is mostly in the shade. He notices that it is growing with all of its leaves on one side. Why is the plant growing this way?

a)

It is dying.

b)

It is trying to get sunlight.

c)

It is trying to stay in the shade.

d)

It wants to be closer to the tree.

14.
Which of the following is an example of a learned behavior in a living thing?
a)
humans beginning to speak between 1 - 2 years  old
b)
a sunflower turning to face the sun to help it grow
c)
bees protecting the hive and  the queen bee
d)
moths attracted to light
15.
A bittern bird and the Key deer both live in Florida. The bird blends with its environment in the tall sawgrass and freezes when it feels threatened and points its head into the air to imitate the sawgrass.  The Key deer  lives in the forests, is brown and freezes when it senses danger.  What adaptations are similar between these two animals?
a)
they both blend in their environment and they don't move
b)
they both huddle together in other groups of animals to blend in
c)
they both use their small size to hide from predators
d)
they both use their speed to escape predators
16.
A collard lemming has thick white fur and sharp claws, and a marsh rabbit has brown fur and is a good swimmer. Which animal would be best adapted to survive in the Florida forests?
a)
the rabbit's brown fur helps it blend with its envrionment
b)
the lemming's thick fur keeps it warm in the winter
c)
the rabbit's swimming would scare predators away
d)
the lemming could use its claws to defend itself
17.
The camo moth blends in with its environment by looking like the leaves on the trees they land on.  How is this most helpful to this species of moth?
a)
it gives it a better chance of survival
b)
it doesn't need to reproduce as much
c)
it uses less energy
d)
it catches more food
18.

Birds have different beaks to help them survive in their habitat, which is a type of ___________ adaptation.

a)

behavioral

b)

physical

c)

learned

d)

migration

19.

Squirrels gather and store acorns for the winter, which is a ___________ adaptation.

a)

behavioral

b)

structural

c)

physical

d)

environmental

20.

Camouflage and mimicry are examples of ___________ adaptations.

a)

behavioral

b)

special

c)

physical

d)

predatory

21.

Hibernation, migration, and dormancy or all examples of ___________ adaptations.

a)

behavioral

b)

physical

c)

special

d)

environmental

22.

Both animals and people are born with ___________, like crying.

a)

instincts

b)

experiences

c)

adaptations

d)

dormancy

23.

A spider spinning a web is an example of an instinctive behavior.

a)

True

b)

False

24.

A cub will learn how to hunt by watching and copying its mother, which is a/an ___________ behavior.

a)

instinctive

b)

adaptive

c)

learned

d)

mimicry

25.

An opossum playing dead when it's in danger is an example of a ___________ adaptation.

a)

learned

b)

physical

c)

behavioral

d)

tricky

26.

Animals that stay warm in cold habitats with thick fur body coverings is an example of a ___________ adaptation.

a)

behavioral

b)

environmental

c)

learned

d)

physical

27.

Information gathered using your 5 senses is called an

a)

Observation

b)

Inference

28.
There are fourteen penguins.
a)
Observation
b)
Inference
29.
The penguin got pushed in.
a)
Observation
b)
Inference
30.
More penguins are going to jump in next.
a)
Observation
b)
Inference
31.
The penguins are black and white.
a)
Observation
b)
Inference
32.

Cats are better than dogs

a)

observation

b)

personal opinion

33.

Cats are nicer than dogs.

a)

observation

b)

personal opinion

34.

A cat can run 30 miles per hour

a)

observation

b)

personal opinion

35.

A cat can run very fast

a)

observation

b)

personal opinion

36.

The dog is 5 inches taller than the cat

a)

observation

b)

personal opinion

37.

There are 15 apples on the tree

a)

observation

b)

personal opinion

38.

What is the function (purpose) of a mixed beak? Hint: This beak is sharp and its bottom beak is small. So it is able to break something that is small apart.

a)

To open sees, fruits, and nuts

b)

To tear apart its prey

c)

To help it catch and hold its prey

d)

To eat nectar and pollen from flowers

39.

What is the function (purpose) of a pelican's beak ? Hint: Think of Finding Nemo

a)

To eat flowers

b)

To eat seeds and nuts

c)

To catch and eat fish

d)

To tear apart its prey

40.

Which bird beak is made to tear apart its prey?

a)

not the answer:)

b)
c)
d)

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