Grasses, ferns, cacti, trees, and flowering plants are examples of these
What are producers?
100
The process in which nitrogen is cycled between the atmosphere, bacteria, and other organisms.
What is the Nitrogen cycle... DUH!
100
This term is used to refer to the many feeding relationships that are possible in an ecosystem.
What is a food web?
100
This results from overuse of fertilizers.
What are algal blooms?
200
An organism that makes its own food is known as this.
What is a producer?
200
Cows, sheep, rabbits, and grasshoppers are these types of consumers.
What is a herbivore?
200
DAILY DOUBLE: Too much nitric oxide in the atmosphere as a result of burning fossil fuels will combine with water vapor to produce this.
What is acid rain?
200
This occurs when a farmland has been abandoned.
What is old-field succession?
200
Identify the primary, secondary, and tertiary consumers from the following: seal, killer whale, krill
Primary - Krill
Secondary - Seal
Tertiary - Killer Whale
300
A final and stable community that remains the same if left unchanged over time.
What is a climax community?
300
When energy in one trophic level is passed on to the next level, only about this much energy is transferred.
What is 10%?
300
Contains both nitrogen and phosphorus, most people use this to help their plants grow
What is fertilizer?
300
Although considered to be intense and devastating to our environment, these help replenish nutrients into the soil as well as help spread seeds by strong winds.. and some are done on purpose..
What are fires?
300
Consumers that get their food by breaking down dead organisms.
What is a decomposer?
400
Organisms that eat both produces and consumers.
What is an omnivore?
400
Organisms that get their energy by eating other organisms.
What is a consumer?
400
In the carbon cycle, the source for carbon for the producers comes from this.
What is the atmostphere or air?
400
Organisms that are first to colonize a newly developed area.
What are pioneer species?
400
On new islands formed by volcanic activity, you'll most likely find this kind of succession.
What is primary?
500
A type of succession that occurs on a surface where another ecosystem existed before.
What is a Secondary Succession?
500
This energy transfer is complex due in part to the number of organisms involved and much more complex than a food chain.
What is food web?
500
These are underground carbon sources composed of plants and animals that died millions of years ago.
What is fossil fuels?
500
In a primary succession, these organisms help break down rocks for the survival of the ecosystem.
What are Lichens?
500
Create a food chain with the following organisms: fly larva, lion, grass, elephant.