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WorksheetsAP Biology Conservation Ecology
Total questions: 15
Worksheet time: 15mins
How do invasive species impact ecosystems?
The increase density dependent limiting factors
They establish themselves as new keystone species in an area
The open up new niches in the ecosystem
They outcompete native species and overpopulate the area
Which point on the graph represents carrying capacity?
A
B
C
D
During the carbon cycle, which of the following carbon compounds would be utilized as an energy source by heterotrophs?
carbonic acid
organic molecules
carbon dioxide
carbon monoxide
What causes trophic cascades?
Increasing the number of producers
Pollution
The removal of a keystone species
Introducing a new species to an ecosystem
What types of organisms are producers?
autotrophs
apex predators
heterotrophs
keystone species
What are limiting factors?
The maximum number of organisms an area can sustain
Scarce resources that limit the size of a population
Conditions that limit how much energy flows to the next trophic level
How diverse the populations of a community are
If the producer level of an ecosystem has 750,000 J of energy, how much energy would be passed on to the secondary consumers?
75,000 J
7,500 J
750 J
75 J
What does carrying capacity mean?
The amount of abiotic factors present in the environment
The total number of species living in an ecosystem
The number of offspring one mother can have in a year
The number of organisms an ecosystem can sustain
Which of the following would be a density independent limiting factor?
A virus spreading through a population
A forest fire burning down a forest
Birds competing for a limited amount of seeds
A new predator moving to an area
Which of the following would be a density-dependent limiting factor?
Two wolf packs having overlapping territories
Pollution
A flood
Deforestation
What is a niche?
A species that outcompetes others in an area
The level on a food chain an organism occupies
An organisms role in an ecosystem and the resources they obtain
A species that disproportionately affects an ecosystem
Why are decomposers necessary in ecosystems?
They recycle essential nutrients back down to producers
They enrich soil with nitrogen
They help keep ecosystems clean
All of the above
What is the primary goal of conservation ecology?
A) To increase biodiversity by introducing new species
B) To manage natural resources for sustainable use
C) To preserve and restore ecosystems and biodiversity
D) To eliminate all human impact on the environment
Which of the following is an example of a keystone species in a marine ecosystem?
A) Sea otters
B) Clownfish
C) Sea turtles
D) Coral
In a conservation experiment, scientists are trying to determine the effect of a new conservation strategy on a local bird population. Which of the following would be an appropriate control group?
A) A group of birds in a different ecosystem
B) A group of birds that do not receive the new conservation strategy
C) A group of birds that receive a different conservation strategy
D) A group of birds that are monitored in a laboratory setting
