Biotic and Abiotic
Food Web and Energy
Limiting Factors
Ecological Relationships
Miscellaneous
100
An abiotic factor is...
Non-living
100
This is the biggest source of energy for all living organisms.
The sun
100
What is a limiting factor?
Factors in the environment that limits the population size of a species in an ecosystem
100
What are the main 3 types of ecological interactions/relationships?
Competition, predation, and symbiosis
100
The ecosystem of the entire planet Earth is called the what?
The biosphere
200
Fossil fuel is a...
Biotic factor
200
Which organisms provide energy for the entire food web of an ecosystem?
Producers/plants/autotrophs
200
The maximum/total amount of a population an ecosystem can support is called the...
Carrying capacity
200
What is predation good for?
Population control
200
List the following in order of smallest to biggest:
individual, ecosystems, population, community
individual, population, community, ecosystems
300
Is weather a biotic or abiotic factor?
abiotic
300
List ONE secondary consumer from this food web.
Fox, owl, hawk, frog, or bird
300
What happens if a population of a species exceeds the carrying capacity of its ecosystem?
Resources will be depleted
300
What are the 3 types of symbiosis?
commensalism, parasitism, and mutualism
300
At what level in ecology would I study both biotic and abiotic factors? Name one level
ecosystems, biomes, or biosphere
400
Predators and prey are an example of what factors in action?
biotic
400
According to this order of consumers, what trophic level is the fox at?
Plant --> grasshopper --> bird --> fox --> wolf
Tertiary consumer
400
If the population of a species is large and the ecosystem is stable, does it mean the carrying capacity of the ecosystem is high or low?
High
400
What is this an example of?
Competition
400
Define a generalist species.
A species that has a varied diet and can live in different places.
500
If a chicken's body is decomposed and broken down to its most basic elements, which factor has it become?
Abiotic
500
How much of energy is transferred between each trophic level?
about 10%
500
A hurricane hits certain parts of Louisiana, what might be one evidence that the carrying capacity for that ecosystem has lowered?
More people have lost their homes
or more people are without food
or more people do not have adequate protection
or there is an increase in deaths
or there is not enough resources for the survivors of the hurricane
500
What symbiotic relationship is this describing?
Cattle egrets eat the insects stirred up by cattle when they are grazing.
Commensalism
500
Name the 4 types of consumers.
herbivore, carnivore, omnivore, and decomposers