WorksheetsChapter 5: Species Interactions & Population
Total questions: 19
Worksheet time: 10mins
Name
Class
Date
1.
A hawk uses the crown of an oak tree to nest
a)
predation
b)
commensalism
c)
mutualism
d)
competition
2.
A honeybee and wildflower
a)
predation
b)
commensalism
c)
mutualism
d)
competition
3.
Dolphin uses echo-location to capture fish
a)
predation
b)
commensalism
c)
mutualism
d)
competition
4.
Younger trees reaching for limited sunlight in a rain forest canopy
a)
predation
b)
commensalism
c)
mutualism
d)
competition
5.
The capacity for growth under ideal conditions
a)
environmental resistance
b)
logistic growth
c)
carrying capacity
d)
biotic potential
6.
Competition for a limited food supply during winter months
a)
environmental resistance
b)
logistic growth
c)
carrying capacity
d)
biotic potential
7.
Species with a _____ reproductive pattern are prone to extinction due to lower reproductive rates.
a)
r-selected
b)
irruptive
c)
irregular
d)
K-selected
8.
A pioneer species opportunistically springs up after a forest fire, demonstrating a ___ reproductive pattern.
a)
r-selected
b)
cyclical
c)
irregular
d)
K-selected
9.
A rainy spring leads to increased growth of grasses, leading to bottom-up regulation of deer. Later the deer population declines causing top-down regulation.
a)
r-selected
b)
irruptive
c)
cyclical
d)
K-selected
10.
Climax communities have all of these, EXCEPT:
a)
a large number of K-selected species
b)
even distribution of grasses, shrubs, & trees
c)
an overall balance of nutrient cycling
d)
resisted secondary succession
11.
Competitive exclusion states that 2 species
a)
will prey on each other to extinction
b)
cannot occupy the exact same niche
c)
cannot live in the same habitat
d)
will practice resource partitioning
12.
Lions and leopards live in the same area. Lions take mostly large game, while leopards take smaller game. This is an example of
a)
competitive exclusion
b)
predator-prey
c)
resource partitioning
d)
mutualism
13.
Parasites and conventional predators differ in ALL of these ways, EXCEPT:
a)
parasites are usually much smaller than their hosts
b)
parasites often live inside or on their host for long periods
c)
parasites do not lead to co-evolution for their hosts
d)
parasites may not necessarily kill their hosts
14.
A rain forest is clear-cut, leaving acres of decomposing trees. The termite population would most likely go through what type of pattern in population size over the next few years?
a)
cyclical
b)
stable
c)
irregular
d)
irruptive
15.
Individuals within a population that are r-selected will
a)
have longer generations
b)
reproduce at an early age
c)
have limited offspring
d)
require high amounts of resources
16.
Populations demonstrating an S-curve in population vs. time have __ growth and reach ___
a)
exponential; biotic potential
b)
logistic; carrying capacity
c)
linear; secondary succession
d)
stable; carrying capacity
17.
Humans have exceeded Earth's carrying capacity due to
a)
rapid emigration
b)
increased food production
c)
adaptive traits for survival
d)
tragedy of the commons
18.
Many abiotic factors will influence population regardless of its overall size. These factors are referred to as
a)
density dependent
b)
mutualistic
c)
density independent
d)
carrying capacity
19.
A genetic diversity of a small population of mammals surviving a flood would be influenced by which factor?
a)
inbreeding
b)
demographic bottleneck
c)
founder effect
d)
genetic drift
100 %
