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Molecules to Organisms Review

Total questions: 18

Worksheet time: 9mins

Name
Class
Date
1.

Living things need habitats to provide food, water, air, ______________, and a place to raise their young.

a)

toys

b)

sunlight

c)

music

d)

shelter

2.

When disaster strikes a plant or animal’s habitat, they might ______________, ______________, or ______________.

a)

move, adapt, die

b)

grow, shrink, multiply

c)

hibernate, migrate, sleep

d)

eat, drink, play

3.

Migrating for the winter is an ______________ that helps birds survive by avoiding cold temperatures.

a)

playful

b)

instinct

c)

confusing

d)

decorative

4.

Humans should conserve water during a time of ______________.

a)

harvest

b)

flood

c)

drought

d)

celebration

5.

Digging ______________ is one way animals can survive in habitats that have many wildfires.

a)

in the water

b)

in the trees

c)

underground

d)

on the rocks

6.

If a bear’s food supply suddenly dies off, the bear population would ______________.

a)

decrease

b)

increase

c)

stay the same

d)

become healthier

7.

Humans can adapt their behavior to help control ______________ waste.

a)

metal

b)

plastic

c)

glass

d)

paper

8.

Fish have ______________ that allow them to stay underwater for long periods of time.

a)

fur

b)

lungs

c)

feathers

d)

gills

9.

A large number of trees ______________ from a bird habitat would cause the birds to find a new habitat.

a)

painted

b)

planted

c)

removed

d)

decorated

10.

Animal coloring can give animals an ______________ in surviving in their habitat.

a)

difficulty

b)

disadvantage

c)

problem

d)

advantage

11.

A reduction in a lake’s water level results in a ______________ of living space for the plants and animals that live in the lake.

a)

increase

b)

loss

c)

creation

d)

expansion

12.

Turning off the water while brushing your teeth is one example of how humans can ______________ water.

a)

conserve

b)

waste

c)

pollute

d)

ignore

13.

A spider spinning a web and a bird making a nest are examples of ______________ behaviors.

a)

seasonal

b)

learned

c)

instinctive

d)

social

14.

A dog sitting down for a treat is an example of a ______________ behavior.

a)

instinctive

b)

learned

c)

random

d)

aggressive

15.

In the winter, bears will ______________ in North Carolina mountain habitats.

a)

swim

b)

migrate

c)

sing

d)

hibernate

16.

A hot, dry summer might cause a decrease in the number of plants a grizzly bear can eat. This might cause the bear to eat more ______________ in order to survive.

a)

meat

b)

berries

c)

water

d)

leaves

17.

Crows are larger than some birds, but smaller than others. A crow’s size gives it an advantage in its habitat by ______________ smaller birds away from a food source.

a)

scaring

b)

inviting

c)

ignoring

d)

helping

18.

An increase in an animal’s food source will provide _______ food for that animal.

a)

old

b)

less

c)

no

d)

more