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WorksheetsEcology Concept 4, 5, & 6 Exam Prep
Total questions: 31
Worksheet time: 2hrs 33mins
Human population is growing out of control. What pattern of growth does this demonstrate?
Exponential
Logistic
Carrying capacity
Limiting factor
Humans need energy. What is one negative result of this?
decreased runoff from deforestation.
the creation of cleaner fuels.
an oil tanker spills and destroys the habitats of many animals.
inventing engines that can run on energy from the sun.
A renewable resource is one that
is used faster than it is replenished.
is used like fossil fuels.
is replenished as fast as it is used.
can be recycled.
The development of nuclear power has provided electricity for less money, but with a tradeoff. What may be
considered a negative impact of nuclear power?
Large amount of energy are produced very cheaply.
It takes a lot of energy to run a nuclear power plant.
Nuclear power plants provide new jobs for a community.
The radioactive waste is unsafe and are to store safely.
What human activity would have the most significant effect on the temperature of the earth?
burning fossil fuels
solar panels
water pollution
deforestation
Temperatures on Earth may continue to increase because
decomposers essential to recycling matter are being destroyed.
increasing carbon dioxide in the atmosphere will trap more heat.
too much oxygen is now given off by plants.
Earth tilts toward the sun in the summer.
Humans negatively impact the water cycle by:
properly disposing of waste.
deforestation which reduces transpiration.
conserving water by taking shorter showers.
reduces the amount of carbon dioxide being up-taken by the trees.
Humans negatively impact the carbon cycle by:
burning fossil fuels; combustion
planting trees; photosynthesis
properly disposing of waste
creating new energy sources
Humans negatively impact the nitrogen cycle by:
over using fertilizers
using porta-pots
planting trees
properly disposing of waste
Which TWO of the choices below are nonrenewable?
Fossil Fuels
Water
Wind
Metal
Which TWO of the choices below are renewable?
Fossil Fuels
Water
Wind
Metal
A climax community
is the beginning of succession
is the end stage of succession
is found in the middle of succession
is when an ecosystem is destroyed
The correct order of stages in primary succession of a volcanic island is
volcanic rock-sea grass-coconut tree-shrubs
volcanic rock-shrubs-coconut tree-sea grass
volcanic rock-lichen-mosses-grasses-coconut trees
shrubs-mosses-cocnut trees-sea grasses
After clearing a forest, the forest will regrow. What type of succession does this demonstrate?
Primary sucession
Pioneer species
Secondary succession
Climax community
After a major natural disaster, like a tornado, what will happen to the damaged ecosystem?
Nothing; it will remain uninhabited.
A new, completely different ecosystem will evolve
An ecosystem like the pervious on e will be re-established
No one really knows what to expect after a natural disaster
Organisms that are the first to move into an area, and begin forming soil for an ecosystem, are known as
bushes
pioneer species
hardwood trees
a climax community
Which of the following are true about primary succession (select two)
Moss and lichens must be present
Begins with soil
Happens quickly
Ends in a climax community
Which of the following are true about secondary succession (select three)
Moss and lichens must be present
Begins with soil
Occurs after a disturbance
Ends in a climax community
Tapeworms feed off of their host organism. This makes them a ___.
competitor
predator
host
parasite
Pollinators get food from the plants they pollinate, while also aiding in the reproduction of those plants. What type of relationship is this?
Predation
Commensalism
Mutualism
Parasitism
In natural ecosystems, predators will tend to lower the prey population, meaning less _________________ between members of the prey population.
competition
infestation
parasitism
symbiosis
Grazing cows disturb grass and cause insects to fly around the cows as they eat. In turn, birds swoop in and eat the
insects. This type of feeding relationship between the birds and the insects is an example of
commensalism
mutualism
parasitism
predation
If the niches (food and habitat needs) of two organisms overlap,
the two organisms will always form a symbiotic relationship.
both organisms will disappear from the habitat.
one organism usually migrates to a new habitat.
all of the above
If one species becomes aggressive and takes over a different species's home, what might this be an example of?
intraspecific competition
competitive exclusion
control
predation
One difference between parasitism and predation is that parasites
do very little harm to their hosts.
keep their hosts alive for a period of time.
attack the host only from the inside.
are not very big.
Interspecific competition is between members of ______ species, and an example is ______.
different; bluebirds & cardinals fighting for seed
same; bluebirds fighting for seed
different; bluebirds fighting for seed
same; bluebirds & cardinals fighting for seed
Intraspecific competition is between members of ______ species, and an example is ______.
different; bluebirds & cardinals fighting for seed
same; bluebirds fighting for seed
different; bluebirds fighting for seed
same; bluebirds & cardinals fighting for seed
The graphs show how the number of mice predators (animals that eat mice) and the food source of the mice (plants) changed from 1996 to 2002.
Based on this information about predators and food, which year would you predict would have the highest population of mice?
1996
1998
2000
2002
Predator population lags behind prey population because......
Increase in predators leads to decrease in prey
Increase in predators leads to increase in prey
Increase in predators leads to decrease in producers
Increase in producers leads to increase in prey
Which line represents the predator? How do you know this?
Red; because the red changes in response to the green
Green; because the green changes in response to the red
Red; because the green changes in response to the red
Green; because the red changes in response to the green
Which line represents the prey? How do you know this?
Red; because the red changes in response to the green
Green; because the green changes in response to the red
Red; because the green changes in response to the red
Green; because the red changes in response to the green
