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Matter in Ecosystems

Total questions: 40

Worksheet time: 28mins

Name
Class
Date
1.
Which of the following is an example of a biotic factor in an ecosystem?
a)
sunlight
b)
stream
c)
rock
d)
tree
2.
Most producers get energy from the Sun using the process of
a)
cellular respiration
b)
chemosynthesis
c)
photosynthesis
d)
consumption
3.
Decomposers are important to ecosystems because they
a)
return vital nutrients to the ecosystem
b)
capture energy from the Sun
c)
are producers
d)
can be omnivores
4.
What are the products of photosynthesis?
a)
Carbon dioxide and water
b)
Carbon dioxide and oxygen
c)
Glucose and oxygen
d)
Glucose and water
5.
A consumer gets energy by
a)
absorbing sunlight.
b)
breaking down dead organisms.
c)
soaking it up from the ground.
d)
feeding on other organisms.
6.
All the living and nonliving things interacting in a particular area create an ________________.
a)
ecosystem
b)
biodome
c)
playground
d)
park
7.

All energy in ecosystems starts here:

a)

the producers

b)

the clouds

c)

the sun

d)

the consumers

8.

A nonliving part of an ecosystem

a)

nonlimiting factor

b)

limiting factor

c)

biotic factor

d)

abiotic factor

9.

A specific classification of plant or animal that is not native to an ecosystem

a)

invasive species

b)

limiting factor

c)

non native species

d)

native species

10.

A living part of an ecosystem

a)

biotic factor

b)

abiotic factor

c)

limiting factor

d)

unlimiting factor

11.

The path that energy and nutrients follow in an ecosystem

a)

food web

b)

food chain

c)

fast food

d)

food path

12.

organisms that eats plants or other animals (animals, humans)

a)

consumers

b)

producers

c)

decomposers

13.

organisms that make their own food (plants)

a)

producers

b)

consumers

c)

decomposers

14.

organisms that break down dead plant and animal material (bacteria, fungi)

a)

producers

b)

consumers

c)

decomposers

15.

the continuous movement of water between the Earth’s surface and the air, changing from liquid into gas into liquid

a)

water cycle

b)

oxygen-carbon dioxide cycle

c)

nitrogen cycle

16.

Which organism is a producer?

a)

the sun

b)

a rabbit

c)

a sunflower

d)

a snake

17.

Which organism is a consumer?

a)

the sun

b)

a rabbit

c)

a sunflower

d)

grass

18.

Which organism is a decomposer?

a)

grass

b)

the sun

c)

fungi

d)

a vulture

19.

Which one is NOT a predator-prey relationship

a)

fox -rabbit

b)

elephant - giraffe

c)

bird - worm

d)

lion - zebra

20.
What type of organism makes its own food?
a)
consumer
b)
carnivore
c)
producer
d)
animal
21.
Which are decomposers ?
a)
humans
b)
trees
c)
red wolves
d)
worms
22.
Which choice has a group of only consumers?
a)
grass, cows, birds
b)
tigers, turtles, seaweed
c)
owl, snake, bear
d)
castus, sun, mushroom
23.
How is the sun a part of a food chain?
a)
it is eaten
b)
it is the energy source
c)
it feeds animals
d)
it tastes good
24.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
25.
What role do decomposers play in an ecosystem?
a)
Produce food
b)
recycle matter
c)
provide oxygen
d)
supply water
26.
decomposer
a)
an organism that kills another organism or a prey (called predator)
b)
an organism that breaks down dead organisms and returns material to the environment
c)
an organism that gets killed by a predator (called prey)
27.
A consumer gets energy by
a)
absorbing sunlight.
b)
breaking down dead organisms.
c)
soaking it up from the ground.
d)
feeding on other organisms.
28.
The place where an organism lives is its __________.
a)
habitat
b)
ecosystem
c)
organism
d)
population
29.
Biotic factors are ...
a)
living things/ organisms
b)
atmosphere
c)
dead things
d)
algae
30.
Which is an example of an ABIOTIC factor?
a)
hummingbird
b)
water
c)
dead tree branch
d)
skunk
31.
All living things on earth are part of the....
a)
Biosphere
b)
Geosphere
c)
Hydrosphere
d)
Cryosphere
32.
The Geosphere is...
a)
All liquid water on Earth
b)
A 100km thick layer of gases
c)
frozen water on earth
d)
Earths entire solid body 
33.
Bio =
a)
Science
b)
Math
c)
Earth
d)
Life
34.
Hydro = 
a)
Sphere
b)
Earth
c)
Life
d)
Water
35.
Geo = 
a)
Earth
b)
Sphere
c)
Life
d)
Water
36.
The atmosphere includes
a)
rocks
b)
air
c)
plants
d)
atoms
37.
The geosphere includes all but
a)
rocks
b)
mountains
c)
lava
d)
plants
38.
An earthquake would most affect the
a)
atmosphere
b)
cryosphere
c)
atmosphere
d)
geosphere
39.
The atmosphere includes
a)
rocks
b)
air
c)
plants
d)
atoms
40.
All of the following are examples of the biosphere except
a)
plants
b)
animals
c)
bacteria
d)
air

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