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WorksheetsCluster 8.11
Total questions: 18
Worksheet time: 53mins
Name
Class
Date
1.
An earthworm farmer wanted to grow three species of earthworms, but earthworms can be very picky about the temperature, moisture, and pH balance of their soil. This graph shows the range of soil conditions preferred by three species of earthworms in an earthworm soil bed.
Which of these conditions would cause the most competition for the resources among the three species of earthworms?
Which of these conditions would cause the most competition for the resources among the three species of earthworms?
a)
Very warm soil, ph of 6, and dry.
b)
Very cold soil, pH of 7, and high moisture.
c)
Moderate temperature, pH of 6.5, and moderate moisture.
d)
Moderate temperature, pH of 7.0, and high moisture.
2.
(8.11A) How many organisms in this food web eat only producers?
a)
1
b)
2
c)
3
d)
4
3.
(8.11A) In the aquatic food web below, which two organisms have a predator-prey relationship?
a)
Shad and sturgeons
b)
Sturgeions and blue crabs
c)
Blue crabs and rangia clams
d)
Copepods and amphipods
4.
Which two organisms are in a PRODUCER-CONSUMER relationship?
a)
Gray Wolf and Fruits
b)
Vole and Grass
c)
Elk and Coyote
d)
Elk and Gray Wolf
5.
Which abiotic factor is phytoplankton most likely to compete for in a marine environment?
a)
Sunlight
b)
Fish
c)
Rocks
6.
The graph shows the change in the deer population on an island for one year. According to the graph, what is the carrying capacity of the deer?
a)
Zero
b)
10
c)
80
d)
100
7.
A prey is....
a)
Something that hunts for its food
b)
something that only plants
c)
Something that gets hunted
d)
Something that eats only meat
8.
A predator is....
a)
Something that eats plants
b)
something that hunts for its food
c)
Something that gets hunted
d)
something that gets its energy from the sun
9.
A producer is.....
a)
Something that only eats plants
b)
Something that only gets energy from the sun
c)
something that gets energy from consuming organic material
d)
something that eats other animals
10.
Examine the diagram provided. Based on the diagram, which two organisms compete for food resources?
a)
Hawks and coyotes
b)
Coyotes and mountain lions
c)
Squirrels and hawks
d)
Mountain lions and antelopes
11.
Bromeliads are small plants that grow attached to the sides of large trees high above the ground in warm, damp and densely crowded tropical rainforests. Bromeliads do this because they are in competition with other plants for -
a)
soil.
b)
heat.
c)
light.
d)
water.
12.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
13.
How many carnivores are shown in this food web?
a)
6
b)
4
c)
5
d)
3
14.
Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?
a)
There would be a decrease in the small bird population.
b)
There would be a decrease in the grass/flowers population.
c)
There would be a decrease in the mice population.
d)
There would be an increase in the grass/flowers population.
15.
If additional snakes are introduced into this ecosystem, there will most likely be an immediate decrease in the _________.
a)
hawk population
b)
rabbit population
c)
wildflower population
d)
grass population
16.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
17.
An organism that lives by breaking apart dead organic matter into simpler parts is...
a)
scavenger
b)
consumer
c)
decomposer
d)
carnivore
18.
Tapeworms are organisms that live inside the intestines of animals like pigs. The worms consume partially digested food from the pigs, taking nutrients away from the pigs. In this relationship between pig and tapeworm -
a)
the pig is a consumer, and the tapeworm is a producer.
b)
the pig is a producer, and the tapeworm is a consumer.
c)
the pig is a host, and the tapeworm is a parasite.
d)
the pig is a predator, and the tapeworm is prey.
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