!Food Chains!
!Food Webs!
!Energy Food Pyramid!
!Biogeochemical Cycles!
100
What is Ecosystem?
An ecosystem includes all living and non-living things in an environment.
100
!What is a food web!
a community of organisms where there are several interrelated food chains
100
!What is the ultimate source of energy!
!!SUN!!
100
What are major storage locations for essential elements?
!Reservoirs!
200
!What is Autotroph (Producer)!
Organisms that use the sun's energy to make sugar and oxygen. Producers are at the base of every food chain.
200
!What is a Consumer/Heterotroph!
!An organism that obtains energy by feeding on other organisms (plants and animals)!
200
!What do all living things require?!
energy
200
What are the multiple cycles showing the flow of essential elements from the environment, to living things, and then back to the environment.?
!biogeochemical cycles!
300
!What is Decomposer!
Decomposers break down dead or decaying plant and animal material.
300
!What is Prey!
An animal that is hunted and killed by another for food.
300
!What is trophic level!
Each step in a food chain or food web that moves to a higher level
300
What is the process through which elements are incorporated by terrestrial plants and animals?
!assimilation!
400
!What is Omnivore!
Animals that eat both plants and animals.
400
!What is Predator!
Any animal that lives by killing and eating other animals.
400
!what is 10% rule of energy!
Energy decreases 10% as it is passed on from each trophic level
400
What element is required for building organic materials and is the basis for photosynthesis and respiration?
!carbon!
500
!What is Abiotic!
All non-living things in an environment.
Air, sun, rocks, water
500
!What is parasite!
An organism that feeds on a living host
500
!What is 1st law of thermodynamics!
!Energy cannot be created or destroyed!
500
What are the reservoirs for the hydrologic (water) cycle?
1. oceans
2. air (water vapor)
3. ground water
4. glaciers
