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WorksheetsDJ 7th Review
Total questions: 19
Worksheet time: 37mins
Name
Class
Date
1.
The 10% rule state that energy is passed through organisms at only 10%. So on an energy pyramid which organism get the least amount of energy
a)
producers
b)
primary consumers
c)
top predators
2.
which is the correct flow of energy?
a)
carnivores -> producers -> herbivores
b)
producers -> herbivores -> carnivores
c)
herbivores -> carnivores -> producers
3.
Plant -> beetle -> Catfish -> hawk
What gives direct energy to the catfish?
What gives direct energy to the catfish?
a)
Plant
b)
Hawk
c)
Beetle
d)
Sun
4.
What is the function of the consumer?
a)
Transforming light to make food
b)
Decomposing organisms
c)
Eat other living organisms
5.
Primary consumers get their energy from
a)
other consumers
b)
photosynthesis
c)
consuming producers
d)
eating dead organisms
6.
Which organism is known as a carnivore
a)
Deer
b)
Rabbit
c)
Grass
d)
Mountain lion
7.
Which gets its energy from a primary consumer?
a)
herbivore
b)
carnivore
c)
producer
8.
Which element is in all organic compounds?
a)
Carbon
b)
Oxygen
c)
Phosphorous
d)
Neon
9.
Which is an organic compound?
a)
CH4
b)
CO2
c)
CaO3
d)
H2O
10.
Organic compounds is different from inorganic compounds because they will always possess
a)
Carbon and Hydrogen combined
b)
will conduct electricity
c)
have the largest molecules that exist
d)
have a higher boiling and melting points
11.
Which is an example of chemical change during digestion?
a)
Protein is converted into amino acids in the stomach
b)
food is transferred in the esophagus to the stomach
c)
teeth tearing food apart
12.
Which is an example of chemical change
a)
chocolate melting
b)
crackers being chewed
c)
meat being churned and squeezed
d)
vegetable turning into gas
13.
A wilted plant returns to an upright position after being watered is explained by
a)
geotropism
b)
phototropism
c)
turgor pressure
d)
gravity
14.
Sand dunes are large piles of sand in the desert.
What creates a sand dune?
What creates a sand dune?
a)
Wind
b)
Water
c)
Rain
d)
Earthquakes
15.
A flood is worse than heavy rain, because
a)
it happens more often
b)
it strike more quickly
c)
it brings in harmful substances
16.
Photosynthesis is when a plant converts
a)
Light into Mechanical
b)
Thermal into Light
c)
Light into Chemical
d)
Mechanical into Light
17.
A potted plant falls on its side but the plant still grows up. Which explains this?
a)
Geotropism
b)
Phototropism
c)
Turgor Pressure
18.
Which explains why surface water is better used than groundwater.
a)
Aquifer water harder to replace
b)
Surface water is never contaminated
c)
Surface water has higher levels of dissolved oxygen
19.
Which depends on primary consumer for its energy?
a)
Mink
b)
Duck
c)
Lilypad
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