WorksheetsEcology Check
Total questions: 20
Worksheet time: 19mins
Name
Class
Date
1.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
2.
In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?
a)
10%
b)
20%
c)
80%
d)
90%
3.
The diagram represents a pyramid of energy in an ecosystem. Which level would most likely contain members of the plant kingdom?
a)
A
b)
B
c)
C
d)
D
4.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
5.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
6.
Which symbols best describe mutualism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
7.
A tapeworm and a cat have this type of relationship.
a)
mutualism
b)
parasitism
c)
commensalism
d)
competition
8.
Cattle egrets are birds that forage in fields among cattle. The egrets get easy access to food and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
9.
A pearlfish spends the day inside the alimentary tract, or intestines, of a sea cucumber. The fish emerges from the sea cucumber at night to feed on small crustaceans. The pearlfish gets a safe place to live. The sea cucumber does not gain anything from this relationship, nor is it harmed.
a)
Commensalism
b)
Mutualism
c)
Parasitism
10.
Which type of growth is best illustrated by this rabbit population?
a)
exponential
b)
logistic
c)
S-shaped
d)
predator-prey
11.
How will competition affect the carrying capacity of an ecosystem for the animal in competition?
a)
Decrease
b)
Increase
c)
Will show not affect
d)
Competition does not exist in nature
12.
Water, sunlight, shelter, and space are resources that are often........
a)
abiotic limiting factors
b)
biotic limiting factors
c)
non-limiting factors
d)
exponetial factors
13.
According to the graph, what is causing the deer population to decrease
a)
They got sick
b)
The wolf population is decreasing
c)
The wolf population increased
d)
They ran out of food
14.
If the amount of food or resources available increases, the carrying capacity for an animal.....
a)
Stays the same
b)
Increases
c)
Decreases
d)
Fluctuates
15.
When an environment has reached its carrying capacity for a certain population, which of the following is true?
a)
Growth and immigration rate is equal to death and emigration rate.
b)
Growth and immigration rate is greater than death and emigration rate.
c)
Growth and immigration rate is less than death and emigration rate.
d)
Growth rate is exponential.
16.
How does carbon dioxide leave the atmosphere?
a)
Through transpiration
b)
Through photosynthesis
c)
Through factory emission
d)
Sunlight
17.
Respiration is the process by which ____________ is consumed and _______________ is produced.
a)
Carbon, Oxygen
b)
Oxygen, Carbon dioxide
c)
H20, oxygen
d)
Carbon, H2O
18.
Organisms use nitrogen to form
a)
carbohydrates and lipids
b)
proteins and lipids
c)
lipids and nucleic acids
d)
proteins and nucleic acids
19.
Carbon dioxide is added to the atmosphere by
a)
Burning fossil fuels
b)
Cellular respiration
c)
Decomposing organic matter
d)
All answers are correct
20.
Which process takes Carbon Dioxide from the air and converts it into a form of carbon used by living things?
a)
Precipitation
b)
Photosynthesis
c)
Respiration
d)
Bioremdiation
100 %
