WorksheetsPopulations and Communities
Total questions: 30
Worksheet time: 17mins
Name
Class
Date
1.
A part of an environment that keeps a populations size at a level below its full potential. Can be biotic or abiotic
a)
limiting factor
b)
carrying capacity
c)
competition
d)
cooperation
2.
Populations will increase for which of the following reasons.
a)
immigration
b)
increase of deaths
c)
emigration
3.
Populations will decrease if which of the following occur?
a)
immigration
b)
increase in births
c)
emigration
4.
Which of the following is an example of cooperation among organisms of the same species?
a)
2 male rams compete for a mate.
b)
Hawks and Eagles compete for food.
c)
A pack of wolves hunt together.
d)
Monkeys drop leaves for deer to eat.
5.
This is an example of...
a)
commensalism
b)
mutualism
c)
parasitism
6.
The maximum number of individuals of one species that the environment can support
a)
limiting factor
b)
carrying capacity
c)
competition
d)
cooperation
7.
This is an example of?
a)
symbiosis
b)
predator & prey
c)
mutualism
d)
parasitism
8.
What kind of relationship is this?
a)
predator/prey
b)
commensalism
c)
mutualism
d)
parasitism
9.
What type of relationship is this?
a)
predator/prey
b)
mutalism
c)
commensalism
d)
parasitism
10.
One organism is hurt while the other benefits.
a)
mutalism
b)
parasitism
c)
commensalism
11.
One organism benefits the other is unharmed
a)
mutalism
b)
commensalism
c)
parasitism
12.
Both organisms benefit
a)
mutualism
b)
commensalism
c)
parasitism
13.
What is the relationship between the wolf and cricket?
a)
the wolf is a predator of the cricket
b)
the cricket is a predator of the wolf
c)
the wolf is a parasite of the cricket
d)
they have no relationship
14.
What level consumer is the deer?
a)
Consumer 1
b)
Consumer 2
c)
Consumer 1 & 2
d)
Producer
15.
What is one ABIOTIC factor in this ecosystem?
a)
frog
b)
tadpole
c)
water
d)
snail
16.
What is one BIOTIC factor in this ecosystem?
a)
soil
b)
Sun
c)
water weeds
d)
water
17.
competition and disease are examples of...
a)
biotic limiting factors
b)
abiotic limiting factors
18.
Water, nutrients, soil, sunlight, temperature, and living space are examples of...
a)
biotic limiting factors
b)
abiotic limiting factors
19.
A dramatic change in temperature would most likely result in?
a)
population increase
b)
population crash
20.
Which of the following best describes the blue bird's (in the middle) role in this ecosystem?
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
21.
Which of the following best describes the deer's role in the ecosystem?
a)
herbivore
b)
omnivore
c)
carnivore
d)
decomposer
22.
Which of the following best describes the wolf's role in this ecosystem?
a)
herbivore
b)
omnivore
c)
carnivore
d)
decomposer
23.
Bacteria and fungi typically serve what role in an ecosystem?
a)
herbivore
b)
carnivore
c)
omnivore
d)
decomposer
24.
Which of the organisms in this image is a producer?
a)
water weeds
b)
tadpole
c)
frog
d)
snail
25.
Which organism would be least affected by disappearance of the pond fly?
a)
Dragonfly
b)
Waterweed
c)
Trout
d)
Frog
26.
Which consumer is both a level 2 and 3 consumer?
a)
toads
b)
mice
c)
insectivorous birds
d)
snakes
27.
moving into an area
a)
immigration
b)
emigration
c)
population
d)
community
28.
moving out of an area
a)
immigration
b)
emigration
c)
population
d)
community
29.
If immigration happens...
a)
the population will increase
b)
the population will decrease
c)
the population will not change
30.
If emigration happens...
a)
the population will increase.
b)
the population will decrease.
c)
the population will not change.
100 %
