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Photosynthesis and Ecosystem Factors

Total questions: 40

Worksheet time: 28mins

Name
Class
Date
1.

Is wind a biotic or abiotic factor?

a)

biotic

b)

abiotic

2.

Are rocks biotic or abiotic factors?

a)

biotic

b)

abiotic

3.

Is water a biotic or abiotic factor?

a)

biotic

b)

abiotic

4.

Is temperature a biotic or abiotic factor?

a)

biotic

b)

abiotic

5.

Is precipitation a biotic or abiotic factor?

a)

biotic

b)

abiotic

6.

Is symbiosis a biotic or abiotic factor?

a)

biotic

b)

abiotic

7.

Is competition within a species a biotic or abiotic factor?

a)

biotic

b)

abiotic

8.

Is predation a biotic or abiotic factor?

a)

biotic

b)

abiotic

9.

Is disease a biotic or abiotic factor?

a)

biotic

b)

abiotic

10.

Are producers biotic or abiotic factors?

a)

biotic

b)

abiotic

11.

Are consumers biotic or abiotic factors?

a)

biotic

b)

abiotic

12.

Are decomposers biotic or abiotic factors?

a)

biotic

b)

abiotic

13.

Is sunlight a biotic or abiotic factor?

a)

biotic

b)

abiotic

14.

Abiotic factors are ___________.

a)

non-living parts of an ecosystem

b)

living parts of an ecosystem

c)

things that once were alive, but now are dead

d)

not important parts of ecosystems.

15.

Biotic factors are ___________.

a)

non-living parts of an ecosystem

b)

living parts of an ecosystem

c)

things that once were alive, but now are dead

d)

not important parts of ecosystems.

16.

An ecosystem is made up of __________.

a)

living things only

b)

non-living things only

c)

both living and non-living things

17.

Photosynthesis occurs in:

a)

Mitochondria

b)

Chloroplasts

c)

Humans

d)

Animals

18.

What are the reactants in Photosynthesis?

a)

Sun, CO2, glucose

b)

glucose and oxygen

c)

sun, carbon dioxide, water

d)

water, glucose

19.

The process in which plant cells make energy

a)

Exothermic

b)

Endothermic

c)

Cellular Respiration

d)

Photosynthesis

20.

In cellular respiration, carbon starts out in the glucose molecule, but ends up in a(n)

a)

oxygen molecule

b)

water molecule

c)

CO2 molecule

d)

C6H12O2 molecule

21.

How do humans get glucose so they can live?

a)

breathe it in

b)

photosynthesis

c)

eat food

d)

drink liquids

22.

Mitochondria and Chloroplasts are:

a)

organelles

b)

cells

c)

only in humans

d)

only in plants

23.

Cellular respiration happens

a)

only in plants

b)

only in animals

c)

only in humans and animals

d)

in plants and animals

24.

For photosynthesis, a plant needs water, sun, and...

a)

oxygen

b)

carbon dioxide

c)

glucose

d)

mitochondria

25.

What is a product of photosynthesis AND a reactant for cellular respiration?

a)

oxygen

b)

water

c)

carbon dioxide

d)

Doctor Pepper

26.

Taken in by the leaves of the plant to give the chloroplasts energy for food production.

a)

chlorophyll

b)

oxygen

c)

water

d)

sunlight

27.
__________ energy from the sun is changed intto __________ energy during photosynthesis
a)
Chemical energy to light energy
b)
Light energy to chemical energy
c)
Thermal energy to light energy
d)
Electrical energy to chemical enerfy
28.
What three things are needed for a plant to do photosynthesis?
a)
Glucose, Oxygen, Sunlight
b)
CO2, Oxygen, Sunlight
c)
CO2, Water, Sunlight
d)
Oxygen, Water, Sunlight
29.
What two products does a plant make during photosynthesis?
a)
Water and Glucose
b)
Oxygen and Glucose
c)
Oxygen and Water
d)
CO2 and Glucose
30.
How do consumers get the energy they need to survive?
a)
photosynthesis
b)
eating other organisms
c)
decomposing dead materials
d)
chemosynthesis
31.

What characteristic is shown: A giraffe gives birth to a healthy

a)

Reproduce

b)

Genetic Code

c)

Change Over Time

d)

Acquire and Use Energy

32.

Which characteristic is shown: An American alligator kills and eats a fish.

a)

Change Over Time

b)

Acquire and Use Energy

c)

Grow and Develop

d)

Made of Cells

33.

Which characteristic is shown: A chocolate lab puppy becomes a fully grown dog.

a)

Respond to a Stimulus

b)

Grow and Develop

c)

Homeostasis

d)

Change Over Time

34.

Which characteristic is shown: A deer runs from a dog after hearing barking.

a)

Made of Cells

b)

Respond to a Stimulus

c)

Acquire and Use Energy

d)

Homeostasis

35.

Which characteristic is shown: An unknown organism is shown to have a cell wall and organelles.

a)

Made of Cells

b)

Homeostasis

c)

Respond to a Stimulus

d)

Reproduce

36.

___________a molecule that is present in all living cells and that contains the information that determines the traits a living thing inherits and needs to live.

a)

Cell

b)

Stimulus

c)

Homeostasis

d)

DNA

37.

Living things are made up of units called

a)

DNA

b)

Cells

c)

Homeostasis

d)

Seeds

38.
Which of the following is the correct order of organization in living things from most basic (simple) to most complex?
a)
a.  Organism, cell, tissue, organ, organ system
b)
a.  Organ system, organ, tissue, cell, organism
c)
a.  Cell, tissue, organ, organ system, organism
d)
a.  Cell, organ, tissue, organ, organism, organ system
39.

The building up or breaking down of materials is called ____.

a)

homeostasis

b)

metabolism

c)

multicellular

d)

stimulus

40.

Doctors tested a patient to find out what molecules were in her cells. Her cells contained normal levels of amino acids, normal levels of oxygen molecules, and low levels of glucose molecules. Will this patient be able to exercise normally?

a)

A Yes, her cells just need to combine amino acids to release energy.

b)

B No, her cells need to combine glucose into starch molecules to release energy.

c)

C No, her cells need glucose to react with oxygen to release energy.

d)

D Yes, her cells just need oxygen to release energy.