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WorksheetsAP Ecology Food Chain
Total questions: 23
Worksheet time: 12mins
Name
Class
Date
1.
What is an organism that gets its food through eating other sources?
a)
Consumer
b)
Producer
c)
Autotroph
d)
Decomposers
2.
What is an organism that breaks down & absorbs dead matter so nutrition can be recycled into the soil?
a)
Consumer
b)
Decomposer
c)
Producers
d)
Scavenger
3.
An animal that eats plants and other animals is a/an:
a)
omniviore
b)
scavanger
c)
decomposer
d)
herbivore
4.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease due to being only hawk food source.
c)
The willow tree population would decrease.
d)
Foxes would dies due to no food source.
5.
How many carnivores are in this food web?
a)
3
b)
6
c)
4
d)
2
6.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
7.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
8.
Use the diagram to answer the question.
The Mayfly is a food source for which 3 organisms?
The Mayfly is a food source for which 3 organisms?
a)
Frog, Dragon Fly and snake
b)
Frog, trout and dragon fly
c)
Frog, salamander and trout
d)
Frog and phytoplankton
9.
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
10.
Which of the following organisms in the food web is a producer?
a)
Giant Panda
b)
Snow Leopard
c)
Mushroom
d)
Bamboo
11.
Of the following, which occupies the lowest trophic level?
a)
Spider
b)
Bat
c)
Rabbit
d)
Tiger
12.
What percentage of energy is passed on to each tropic level in an energy pyramid?
a)
10%
b)
50%
c)
90%
d)
100%
13.
Which of the following organism provides energy for more than one organism in the food web?
a)
Mouse
b)
Hawk
c)
Snake
d)
Lizard
14.
Based on the food web, which shows correctly the one way that energy flows?
a)
Plant -->Rat -->Owl
b)
Plant <--Rat <-- Owl
15.
In this food web, which two organisms could be harmed if the mouse population were to decrease?
a)
Deer and caterpillar
b)
Wolf and snake
c)
Oak and grass
d)
Hawk and songbird
16.
In the food web shown, the smaller bird would be considered....
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
17.
In the food web shown, the snail would be considered...
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
18.
In the food web shown, the fox is a...
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
19.
Decomposers affect all levels of the food web.
a)
True
b)
False
20.
Which organism do the owl and the weasel compete for in the food web?
a)
Hawk
b)
Spider
c)
Grasshopper
d)
Shrew
21.
The fox in this food web would be considered a:
a)
Tertiary Consumer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
22.
The mouse in this food web would be considered a:
a)
Primary Consumer
b)
Producer
c)
Tertiary Consumer
d)
Secondary Consumer
23.
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.
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