ecology
photosynesis
plants
sunlight
soil
water
absorb
molecules
chlorophyll
enzymes
sugars
energy
carbon dioxide
food chain/web
prey
predator
producer
carnivore
herbivore
decomposer
omnivore
mutualism
parasitsim
commensalism
celleur respiration
metabolic reactions
cells
biochemical energy
nutrients
adenosine triphosphate (ATP)
release waste products
biodiversity
habitats
varity of life
animals
plants
environment
natural
health of biological systems
pollution
chemical
substance
noise
heat
light
Visual
Radioactive
thermal
soil
water
cycle
population
exponential growth
carrying capacity
equilibrium
limiting factor
urban spawl
increasing
decreasing
biosphere
hydrosphere
atmosphere
lithosphere
ecosystem
species
coummunity
carbon cycle
fossil fuel
coal
oil