Deck 11 Flashcards
Producer
An organism that can make its own food.
Consumer
An organism that obtains energy by feeding on other organisms
Detritivore
organism that feeds on plant and animal remains and other dead matter
Decomposer
An organism that breaks down wastes and dead organisms
energy pyramid
A diagram that shows the amount of energy that moves from one feeding level to another in a food web
biochemical cycle
the circulation of substances through living organisms from or to the environment.
Eutrophication
rapid algal growth caused by an excess of nitrates (NO3)- and phosphates (PO4)3- in water
Physical Disturbance
anything that changes the physical structure of the habitat (fire, waves, tree-fall, plowing)
resource depletion
the act of using resources faster than they can be restored or replaced
habitat loss
The destruction of habitats that usually results from human activities
anthropogenic climate change
climate change which is human caused, either directly or indirectly