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Grade 6 Ecosystems

Total questions: 28

Worksheet time: 1hrs 29mins

Name
Class
Date
1.
Which is the best definition of an ecosystem? 
a)
all the organisms in an area interacting together
b)
all the abiotic factors
c)
all the biotic factors
d)
all of the animals
2.
A group of organisms of the same species living in the same area are called a/an ________.
a)
community
b)
habitat
c)
population
d)
ecosystem
3.
A group of different species that live together and interact in an environment are called a/an ________.
a)
community
b)
habitat
c)
population
d)
ecosystem
4.
How many carnivores are shown in this food web?
a)
6
b)
4
c)
5
d)
3
5.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
d)
Biotic Factors
6.

Define: Abiotic

a)

Living things in an ecosystem

b)

An organism that gets its food from other organisms

c)

Non Living things in an ecosystem

d)

An organism that get its nutrients from the sun

7.

Define: Biotic

a)

An organism that gets its food from other organisms

b)

Non living things in an ecosystem

c)

An organism that gets its nutrients from sunlight

d)

Living things in an ecosystem

8.

Define: Predator

a)

An animal that hunts other animals

b)

An animal that is being hunted

c)

A model showing how energy moves through food

d)

An organism that decomposes organic material

9.

Define: Prey

a)

An organism that lives in or on another organism

b)

An animal that is hunted by another animal for food

c)

A organism that uses energy from the sun to create its own food

d)

An organism that decomposes organic material

10.

Define: Producer

a)

An organism that feeds on other organisms

b)

An organism that decomposes organic material

c)

An organism that uses energy from the sun to create its own food

d)

An organism that eats plants

11.

Define: Consumer

a)

An organism that feeds on other organisms

b)

An organism that gets its food from sunlight

c)

An organism that decomposes organic material

d)

An organism that eats plats

12.

Decomposer

a)

An organism that decomposes organic material (example: mushroom)

b)

An organism that gets its food from sunlight

c)

An organism that gets its food from other organisms

d)

A organism that eats meat

13.

Define: Habitat

a)

Spending the winter in a dormant state

b)

The natural home or environment of an animal, plant, or other organism

c)

An organism that gets its energy from the sunlight

d)

An organism that gets its energy from other organisms

14.

Define: Niche

a)

An organism that eats plants

b)

An organism that helps other organisms survive

c)

An organisms role in an ecosystem

d)

An organism that sleeps in the winter

15.

Define: Herbivore

a)

An organism that feeds on plants and meat

b)

An organism that feeds on meat

c)

An organism that feed on plants

d)

An organism that gets its food from sunlight

16.

Define: Carnivore

a)

An organism that feeds on plants and meat

b)

An organism that feeds on meat

c)

An organism that feed on plants

d)

An organism that gets its food from sunlight

17.

Define: Omnivore

a)

An organism that feeds on plants and meat

b)

An organism that feeds on meat

c)

An organism that feed on plants

d)

An organism that gets its food from sunlight

18.
The important gases, carbon dioxide and oxygen, enter and leave the leaf through the
a)
upper epidermis
b)
phloem
c)
stomata
d)
guard cells
19.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
20.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
21.
In which  organelle does photosynthesis occur?
a)
mitochondria
b)
stomata
c)
xylem
d)
chloroplast
22.
What gas is being released during photosynthesis
a)
sulfur
b)
carbon dioxide
c)
oxygen
d)
hydrogen
23.
What is a similarity between photosynthesis and chemosynthesis?
a)
Both are metabolic processes which produce energy for living things
b)
Both use sunlight
c)
Both are performed by bumblebees
d)
Both produce Carbon Dioxide
24.
Where does chemosynthesis occur?
a)
In plants
b)
In animals
c)
At the bottom of the ocean
d)
In the sky
25.
What is the most common product of yeast fermentation?
a)
Oxygen
b)
Cheese
c)
Carbon Dioxide
d)
Teeth.  Just, human teeth.  It's really strange.
26.

A scientists wants to sample the population of sunflowers in a field. What pieces of equipment should he use?

a)

quadrat and measuring tape

b)

quadrat and balance

c)

measuring tape and balance

27.

Define: Bioaccummulation

a)

Animals getting to big from eating too much

b)

The build up chemicals in a food chain

c)

To many animals in a food chain

d)

The transfer of energy in a food chain

28.

Approximately how much energy is passed on at each stage of a food chain?

a)

100%

b)

50%

c)

25%

d)

10%

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