Gradual breaking down of somthing by wind or water
What is Erosion
Makes up a population
What is an Individual?
Broad-leaved deciduous forest
Temperate Forest
All systems of energy start with this energy source
Sun
The zone gets enough light to photosynthesize
What is the Photic Zone
Freshwater from glaciers at higher elevations
What are the headwaters?
Made up of communitys
What is an Ecosystem?
Rate of evaporation exceeds precipitation, Varying temp, low rainfall
Desert
Shows how energy is shared and inter-connected between organisms
200-1000m Twilight zone
Mesopelagic zone
The mesure of the variety of life that occurs within an ecosystem
What is biodiversity?
The earth is this level of organization
What is a biosphere?
Treeless, cold, dark, low rainfall, below the ice caps
Tundra
This first level of food-pyramid made up of organisms that make their own food.
What are producers or autotrophs
1000-4000m midnight zone
Bathypelagic zone
A nutrient rich waterbody
What is eutrophic
A climate that supports specific kinds of life
High temp, high rainfall
Tropical Rainforest
Dead organic marterial
What is detritus
top 200 m
Epipelagic Zone
Obtaining energy through chemicals
What is chemosynthesis?
Made up of populations?
What is a Community?
Dense evergreens, long, dry winters
Boreal forest
Type of decomposers that digest food externally
What are saprotrophs?
Greater than 6000, deep sea trenches
Hadopelagic zone