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matter and energy in ecosystem

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.
The capturing of the suns energy is possible through a process called _____________
a)
Chemosynthesis
b)
Photosynthesis
2.
The capturing of the suns energy is possible through a process called _____________
a)
Chemosynthesis
b)
Photosynthesis
3.
What type of organism makes its own food?
a)
consumer
b)
carnivore
c)
producer
d)
animal
4.
Where do producers get their energy from?
a)
the ground
b)
other animals
c)
decomposers
d)
the sun
5.
Which choice has a group of only consumers?
a)
grass, cows, birds
b)
tigers, turtles, seaweed
c)
owl, snake, bear
d)
castus, sun, mushroom
6.
Which choice has a group of only producers?
a)
red wolf, coyote, grey wolf
b)
sunflower, grass, pine tree
c)
mushrooms and worms
d)
seaweed, algae, mushrooms
7.
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.
8.

A raccoon eats plants and animals. It is an example of a(n)

a)

omnivore

b)

carnivore

c)

herbivore

d)

decomposer

9.
__________ is an organism that only eats plants for energy.
a)
Carnivore
b)
Herbivore
c)
Omnivore
d)
Terivore
10.
__________ is an organism that only eats meat for energy.
a)
Omnivore
b)
Borivore
c)
Herbivore
d)
Carnivore
11.
Elephants only eat leaves, fruit, nuts and grass. They are called __________.
a)
Omnivore
b)
Fortivore
c)
Herbivore
d)
Carnivore
12.
A connection of food chains with many food energy paths in an ecosystem is a ____________
a)
ecosystem
b)
food web
c)
environment
13.

After the sun, where does a food chain start?

a)

with animals that eat plants

b)

with plants that eat other animals

c)

with plants that make their own food

14.

Where would a decomposer be in a food chain?

a)

at the beggining

b)

at the end

c)

between a producer and consumer

15.

All food webs include

a)

insects

b)

mushrooms

c)

producers

16.
Which is the correct sequence to show how organisms live in an environment?
a)
decomposer-->consumer-->producer
b)
consumer-->decomposer-->producer
c)
producer-->decomposer-->consumer
d)
producer-->consumer-->decomposer
17.
What is another name for evaporation of water through the leaves of plants?
a)
Transpiration
b)
Condensation
c)
Precipitation
d)
Percolation
18.
Rain, sleet, snow, and hail are all forms of _____.
a)
Percolation
b)
Evaporation
c)
Condensation
d)
Precipitation
19.

Which is true of matter in an ecosystem?

a)

matter flows

b)

matter is destroyed

c)

matter cycles

d)

matter is created

20.

What is the main thing that carries out Nitrogen Fixation?

a)

Lightning

b)

Bacteria

c)

Plants

d)

Humans

21.

Which processes help to cycle carbon through ecosystems?

a)

cellular respiration and photosynthesis

b)

photosynthesis and transpiration

c)

transpiration and the calvin cycle

d)

calvin cycle and krebs cycle

22.
When humans burn fossil fuels, most of the carbon quickly enters the                       as carbon dioxide.
a)
Water
b)
Atmosphere
c)
Sun
d)
Air
23.

The process in which nitrogen circulates and is recycled is called

a)

The nitrogen cycle

b)

The carbon cycle

c)

The water cycle

d)

The phosphorus cycle

24.

How do animals get the nitrogen they need?

a)

From the air they breathe

b)

From the water they drink

c)

From the food they eat

d)

From the sun

25.
Identify the cycle pictured.
a)
The Water cycle
b)
The Carbon cycle
c)
The Nitrogen cycle
d)
The Phosphorus cycle

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