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Survival of Organisms

Total questions: 28

Worksheet time: 16mins

Name
Class
Date
1.
The struggle among organisms for the things they need to survive is known as 
a)
ecosystem
b)
competition
c)
habitat
d)
community
2.

Living things depend on many different ________ in order to survive.

a)

interactions

b)

environments

c)

resources

d)

ecosystems

3.

In an ecosystem, what do organisms and populations with similar needs compete over?

a)

territory

b)

food

c)

mates

d)

all of the above

4.

What are three main resources that organisms compete for to survive?

a)

food, water, a chance to be the largest

b)

food, water and shelter

c)

water, shelter, to be the strongest animal

5.

A tall oak tree shades a young oak tree. the young oak tree is small and has many bare branches with just a few leaves. What resource are both trees competing for?

a)

water

b)

air

c)

sunlight

6.

What is competition in an ecosystem?

a)

How all the living and nonliving things in an area interact.

b)

A single, self-contained living thing

c)

More than one individual or population that depends on the same limited resources.

7.

What do ALL fish have in common?

a)

gills to breathe

b)

wings to fly

c)

scales

d)

fur

8.

Which of the following is NOT considered an available resource?

a)

car

b)

water

c)

nutrients

d)

food

9.

TRUE or FALSE? Two organisms competing for the same resource will both survive.

a)

True

b)

False

10.

Which is NOT a need for plants?

a)

shelter

b)

space

c)

sunlight

d)

air

11.

Why is a polar bears' fur white?

a)

To protect against cold

b)

To blend in with the white snow

c)

To be seen

12.

Which adaptation is protecting this insect?

a)

hibernate

b)

migrate

c)

camouflage

13.

What do some birds do when it gets cold in one region?

a)

They hibernate

b)

They migrate

c)

They camouflage

14.

What do some animals do to survive cold winters?

a)

hibernate

b)

migrate

c)

camouflage

15.

Which bird's beak is good for eating seeds?

a)
b)
c)
16.

Which bird's beak is good for eating small animals like rats and rabbits?

a)
b)
c)
17.

Which shelter belongs to a bird?

a)
b)
c)
18.

What does it mean when a plant adapts?

a)

It grows on the rainforest floor or under water.

b)

It changes itself to fit in better with its environment.

c)

It grows giant leaves and has very bright flowers.

d)

It converts its surroundings into a kinder climate.

19.

How do underwater plants adapt to their surroundings?

a)

They have flexible leaves and stems.

b)

They have an air space in their stems.

c)

They have floating seeds.

d)

They have very bright colors.

20.

How have some rainforest plants adapted to receive enough sunlight?

a)

by growing poisonous flowers

b)

by growing giant, slippery leaves

c)

by growing giant, bright flowers

d)

by growing long, deep roots

21.

What is a trait that allows an organism to blend in with its environment?

a)

camouflage

b)

mutualism

c)

mimicry

d)

parasitism

22.

What is when one organism looks like another organism

a)

camouflage

b)

mutualism

c)

mimicry

d)

parasitism

23.

Animals who travel to warmer habitats in the winter to escape the cold are using which behavioral adaptation?

a)

Mimicry

b)

Camouflage

c)

Hibernation

d)

Migration

24.

When animals go into a deep sleep during the winter, they are using which behavioral adaptation?

a)

Hibernation

b)

Mimicry

c)

Migration

d)

Camouflage

25.

I am a polar bear who lives in the arctic. My fur is a beautiful white, just like the snow I live in. What adaptation is this adaptation called?

a)

camouflage

b)

mimicry

c)

migration

d)

hibernation

26.

What adaptation helps penguins and seals stay warm?

a)

long eyelashes

b)

long necks

c)

a thick layer of fat

d)

long fur

27.
The colors & patterns on a turtles shell help it blend in with the forest floor.  This is:
a)
hibernation.
b)
behavior.
c)
migration.
d)
camouflage.
28.

What is a habitat?

a)

all of one kind of animal or plant in the same area

b)

all the animals living in the ocean

c)

living and nonliving things that interact in the same space

d)

the space where a plant or animal lives