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Terms that you need to know for Unit 1: Ecology

Ecology the study of organisms and there relationship with other organisms and their environment
Ecosystem abiotic and biotic factors in a particular place and time
Community Group of populations in a given place and time
Population group of organisms/species in a given place or time
Species/Organism a living thing,
Cells Basic unit of life.
Tissue group of cells that work together
Organs made up of tissues that work together
Organ System group of organs
Herbivores organism that only eats plants
Omnivores organism that eats plant and animals
Carnivores organism that only eats animals
Primary Consumer organism that eats producer/ autotrophs
Secondary Consumer organism that eats the primary consumer, typically a omnivore or carnivore
Producer organism that produces its own energy through photosynthesis or chemosynthesis
Autotrophs organism that produces its own energy through photosynthesis or chemosynthesis
Heterotrophs organism that has to consume in order to receive energy
10% Rule 90% of the energy is lost to heat and daily functions while 10% is transferred from one tropic level to the next.
Food Web many flows of energy through an ecosystem. group of food chains
Food Chain a single flow of energy through an ecosystem
Keystone Species
Climax Community
Primary Succession growth that starts from bare rock.
Secondary Succession growth that starts from an environment that has experienced a disturbance
phototropism an organisms reaction to light
hydrotropism an organisms reation to water
thigmotropism an organisms reaction to touch
gravitropism an organisms reaction to gravity
Symbiosis the relationship between two organisms
commensalism one organism benefits while the other is neither benefited or harmed
parasitism one organism will benefit while the other is harmed
mutualism Both organisms benefit from the relationship
prey vs. predator
Natural Selection
Water cycle
Nitrogen cycle
Phosphorus Cycle
Carbon Cycle
Biogeochemical Cycles
abiotic factors
biotic factors
cellular respiration
Created by: ewillis