Worksheets8.11A Review 1
Total questions: 24
Worksheet time: 2hrs 56mins
Name
Class
Date
1.
True or False. In this Food Web Pyramid which type of consumer gets only 10% of the energy stored in plants? Careful!
a)
Herbivore
b)
Carnivore
c)
Omnivore
d)
Secondary Consumer
2.
A producer is a(n)____________.
a)
heterotroph
b)
autotroph
c)
omnitroph
d)
consumotroph
3.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
4.
If there is 2000 producers available in trophic level 1, how many primary consumers could be available in trophic level 2? Careful!
a)
20
b)
2
c)
200
d)
2000
5.
How many carnivores are shown in this food web?
a)
6
b)
4
c)
5
d)
3
6.
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.
7.
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
8.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
9.
In the food web shown, the snail would be considered...
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
10.
If the grasshopper were to be removed completely from the food web, what organism would be most effected?
a)
The squirrel
b)
The shrew
c)
The deer
d)
The rabbit
11.
What is the definition of Biotic factors?
a)
nonliving factors
b)
tools
c)
living or once living factors
d)
soil
12.
Temperature, light, air, water, and soil are all _____ parts of the environment
a)
alive
b)
biotic
c)
abiotic
d)
living
13.
An organism that lives by breaking apart dead organic matter into simpler parts is...
a)
scavenger
b)
consumer
c)
decomposer
d)
carnivore
14.
Red-billed oxpeckers feed on parasites found on an Impala. The impala gets rid of parasites and the red-billed oxpeckers get yummy dinner. This is an example of _______.
a)
commensalism
b)
mutualism
c)
neutralism
d)
competition
15.
Mistletoe extracts water and nutrients from the spruce tree to the tree's detriment (harm).
a)
Mutualsim
b)
Parasitism
c)
Commensalism
16.
A wrasse fish feeds on the parasites found on the black sea bass's body. Both species benefit.
a)
Mutualism
b)
Parasitism
c)
Commensalism
17.
This diagram shows the variety of organisms that live in different tide zones. Mussels are common organisms that compete for space in intertidal (middle) tide zones. If all of the mussels were removed from zone A, which organisms would likely compete for the space in Zone A?
a)
Periwinkle and Limpets
b)
Sea lettuce and Chiton
c)
Sea urchins and Hermit crabs
d)
Rock louse and Periwinkle
18.
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.
19.
Eucalyptus trees compete strongly with native trees for limited water and soil nutrient resources. They prevent native seedlings from becoming established by shading the soil surface, accumulating deep litter layers, and changing the pH balance of the soil. This graph shows the results of an ecosystem that has changed overtime due to the introduction of the non-native species of Eucalyptus trees. Which of the following statements correctly describes the relationship between species A and species B?
a)
Eucalyptus trees win in competition and Native trees go extinct.
b)
Native trees win in competition and Eucalyptus trees go extinct.
c)
The population of both trees decreases over time.
d)
Eucalyptus trees do not compete with each other.
20.
Which two organisms in this food web are COMPETING for food with each other?
a)
Cougar and Deer
b)
Rabbit and Snake
c)
Insects and Grass
d)
Shrew and Mouse
21.
How many organisms eat ONLY plants?
a)
1
b)
2
c)
3
d)
4
22.
Which two organisms are in a PREDATOR-PREY relationship?
a)
Grass and Vole
b)
Gray wolf and Elk
c)
Vole and Elk
d)
Gray Wolf and Fruits
23.
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
24.
Which abiotic factor is phytoplankton most likely to compete for in a marine environment?
a)
Sunlight
b)
Fish
c)
Rocks
100 %
