WorksheetsCommunity Ecology Practice
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What is tolerance within the scope of ecology?
a)
The specific role an organism plays in its community
b)
The place an organism lives
c)
An organism’s ability to survive and reproduce under changing conditions
d)
The amount of energy an organism needs to survive
2.
What is a generalist?
a)
An organism with a wide tolerance and niche
b)
An organism that only eats one type of food
c)
An organism that cannot adapt to changing habitats
d)
An organism with a narrow tolerance
3.
Which of the following is not a type of interaction between species?
a)
Competition
b)
Predation
c)
Herbivory
d)
Migration
e)
Symbiosis
4.
Which of the following is an example of intraspecific competition?
a)
A lion and hyena fighting over prey
b)
White oak trees growing close together and fighting for sunlight
c)
A wolf hunting a rabbit
d)
An owl and a hawk hunting in the same area
5.
What is a fundamental niche?
a)
The full range of conditions a species could use excluding the influence of predators
b)
The part of a niche an organism actually occupies due to competition
c)
An organism’s full niche without competition
d)
The habitat where an organism lives
6.
How does resource partitioning allow species to coexist?
a)
By separating species into different habitats
b)
By eliminating one species completely due to intense competition
c)
By increasing predator populations to regulate population sizes
d)
By allowing species to use resources in different ways
7.
What is predation?
a)
Two species sharing resources
b)
One organism hunting and killing another
c)
One organism benefitting while the other is unaffected
d)
An herbivore consuming a plant
8.
How do predator and prey populations influence each other?
a)
Prey numbers rise when predator numbers drop
b)
Predator numbers drop when prey numbers increase
c)
Predator numbers are not influenced by prey numbers
d)
Prey numbers rarely change
9.
What is herbivory?
a)
An animal eating a plant
b)
A plant eating an animal (ex. Venus fly trap)
c)
Two plants competing for sunlight
d)
A decomposer breaking down dead plants
10.
Which of the following is an example of a symbiotic relationship?
a)
A lion hunting and eating a zebra
b)
A bee pollinating a flower while collecting nectar
c)
A hawk catching and eating a mouse
d)
A deer grazing on grass in a meadow
e)
A wolf challenging a coyote for food
11.
Which type of symbiosis benefits one species and has no effect on the other?
a)
Mutualism
b)
Parasitism
c)
Commensalism
d)
Competition
12.
Another word for a producer is a(an) ___________________.
a)
Heterotroph
b)
Primary consumer
c)
Detritivore
d)
Autotroph
e)
Decomposer
13.
Which type of organism is sometimes capable of chemosynthesis?
a)
Primary consumers
b)
Decomposers
c)
Tertiary consumers
d)
Producers
e)
Detritivores
14.
Secondary consumers can be…
a)
Herbivores only
b)
Herbivores or producers
c)
Omnivores or carnivores
d)
Omnivores only
e)
Carnivores only
15.
What happens to energy as it moves through a food chain?
a)
It increases as it passes from one level to the next
b)
It remains constant
c)
It decreases as it passes from one level to the next
d)
It is destroyed
16.
What is the Rule of 10%?
a)
Only 10% of energy is passed to the next trophic level
b)
As energy passes from trophic level to trophic level, it increases by 10%
c)
On average, 10% of organisms survive each year in each ecosystem
d)
10% of food chains include producers
e)
10% of species are decomposers
17.
Which trophic level has the most biomass?
a)
Tertiary consumers
b)
Secondary consumers
c)
Primary consumers
d)
Producers
18.
What is ecological succession?
a)
The movement of species from one habitat to another
b)
A series of changes that occur in a community after a disturbance
c)
The process of predator-prey interactions and how those interactions impact population sizes
d)
The decrease in energy as it flows from one trophic level to the next
19.
What is an example of primary succession?
a)
A forest regrowing after wildfire
b)
A grassland returning after farming
c)
A glacier retreating and exposing bare rock
d)
A pond drying up and filling with plants
20.
Which type of succession takes longer to occur and why?
a)
Secondary because pioneer species take longer to arrive
b)
Secondary because it has fewer species
c)
Primary because soil needs to form
d)
Primary because plants establish themselves slower than animals do
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