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Worksheets

Energy and Ecosystems

Total questions: 40

Worksheet time: 23mins

Name
Class
Date
1.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
2.
The reactants of photosynthesis are
a)
sugar and water.
b)
sugar and oxygen.
c)
carbon dioxide and water.
d)
carbon dioxide and oxygen.
3.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
6CO2 + 6H2O --> 6O+ C6H12O6
b)
6CO+ C6H12O6 + 6H2O --> O
c)
6O2 + 6H2O --> 6CO+ C6H12O6
d)
C6H12O6 + 6O2 ---> 6H2O + 6CO2 
4.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
5.
Which of the following best describes photosynthesis?
a)
Photosynthesis converts radiant energy into chemical energy.
b)
Photosynthesis produces carbohydrates.
c)
Plants need sunlight, carbon dioxide, water, nutrients, and chlorophyll to complete photosynthesis.
d)
Plants use chlorophyll, water, and carbon dioxide to make sugar.
6.
What are the PRODUCTS for cellular respiration?
a)
oxygen and ATP (energy)
b)
water and glucose and ATP (energy)
c)
carbon dioxide and water and ATP (energy)
d)
glucose and oxygen
7.
What reactants are there in cellular respiration?
a)
Water and Glucose
b)
Oxygen and Glucose
c)
Carbon Dioxide and Water
d)
Twenty One Pilots
8.
What process occurs when sugar is converted into Mechanical Energy?
a)
Photosynthesis
b)
Cellular Respiration
9.
Where does photosynthesis occur?
a)
mitochondria
b)
stomata
c)
xylem
d)
chloroplast
10.
What is the purpose of cellular respiration?
a)
to break down food
b)
to create energy in the body
c)
to release energy from food
d)
there is none; it's a waste of time
11.
a symbiotic relationship in which one organism benefits and the other neither benefits nor is harmed
a)
commensalism
b)
mutualism
c)
parasitism
d)
producer
12.
an animal or person eats both plants and animals
a)
omnivore
b)
herbivore
c)
carnivore
d)
carnival
13.
an organism that only eats plants
a)
carnivore
b)
herbivore
c)
omnivore
14.
an organism that only eats flesh
a)
carnivore
b)
omnivore
c)
herbivore
15.
symbiosis that both organisms benefit
a)
mutualism 
b)
parasitism
c)
commensalism
d)
cannibalism
16.
Relationship between two species of plants 
or animals were one benefits and the other is harmed
a)
commensalism
b)
parasitism
c)
mutualism
d)
communalism
17.
Which of the following is an abiotic factor in an ecosystem?
a)
tress
b)
bugs
c)
sand
d)
humans
18.
Population is best described as
a)
A group of competing species
b)
A group of many different species
c)
A group of nonliving organisms
d)
A group of the same species living together
19.
The place where an organism lives is its _________.
a)
habitat
b)
abiotic
c)
ecosystem
d)
community
20.
An individual living thing is a/an __________.
a)
habitat
b)
ecosystem
c)
organism
d)
population
21.
An individual living thing is a/an __________.
a)
habitat
b)
ecosystem
c)
organism
d)
population
22.
an organism that gets its food by breaking down the remains of dead organisms and returning the nutrients back to the soil
a)
Host
b)
Decomposer
c)
Producer
d)
Consumer
23.
The group of all the populations in an area.
a)
community 
b)
population
c)
habitat
d)
ecosystem
24.
Which one is NOT an example of a decomposer?
a)
mushroom
b)
leaves
c)
mold
d)
worm
25.
Examples of a producer
a)
frog
b)
algae
c)
worm
d)
mouse
26.
Example of a consumer
a)
worm
b)
bacteria
c)
mushroom
d)
hawk
27.
What is a herbivore?
a)
an animal that gets energy from eating other animals
b)
an organism that gets energy from eating only plants
c)
an animal that gets energy by eating both plants and other animals
d)
an animal that eats only herbs
28.
An organism that gets energy from eating other organisms is a ______________
a)
producer
b)
consumer
c)
decomposer
d)
prey
29.
A connection of food chains with many food energy paths in an ecosystem is a ____________
a)
ecosystem
b)
food web
c)
environment
d)
population
30.
An animal that is hunted and eaten for food is a 
a)
predator
b)
prey
c)
population
31.
Where do all life forms get their energy?
a)
Earth's Core
b)
Water
c)
Plants
d)
The Sun
32.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
33.
The mouse in this food web would be considered a:
a)
Primary Consumer
b)
Producer
c)
Tertiary Consumer
d)
Secondary Consumer
34.
True or False. In this Food Web Pyramid Which type of consumer gets only 10% of the energy stored in plants?
a)
Herbivore
b)
Carnivore
c)
Omnivore
d)
Secondary Consumer
35.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
36.
In the energy pyramid below, which organism has the least amount of energy available?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Top Predator
37.
In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?
a)
80%
b)
90%
c)
10%
d)
20%
38.
When a habitat can only support a certain number of a species.
a)
Limiting factor
b)
Habitat destruction
c)
Carrying capacity
d)
Extinction
39.
Which of the following is NOT an environmental limiting factor that was discussed in class?
a)
poaching
b)
food and water
c)
space
d)
weather conditions
40.
Which one is NOT a cause for extinction according to your notes. 
a)
exotic species
b)
habitat destruction
c)
poaching
d)
drought