Ecology

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Terms in this set (...)

Biotic
living
Abiotic
non-living
Ecologist
someone who studies the interactions of organisms and their environment
Ecosystem
all of the biotic and abiotic components in a given area
Community
Several different populations in a given area
Biome
A large area of similar climate and vegetation
Biosphere
The area on the Earth that supports living organisms
Habitat
The area where an organism lives; it provides needed resources (food/water/shelter)
Niche
An organism's habitat and the role they play in that habitat
Acclimation
the ability of an individual to adjust to a condition that in on the edge of their tolerance curve
Conformers
Organisms whose internal conditions depend upon their external conditions (temperature) like fish, reptiles, and amphibians
Regulators
Organisms that maintain a constant internal environment regardless of their external environment (temperature) like mammals & birds
Generalist
An organism that has a broad niche and can live many different places
Specialist
An organism with a very specific niche that can only survive well in a specific environment
Photosynthesis
The ability to produce glucose from sunlight, water, and carbon dioxide
Autotroph/producer
an organism that produces its own food
Heterotroph
an organism that eats other organisms for food
Primary Consumer
an organism that eats producers (herbivore)
Secondary Consumer
an organism that eats herbivores and may also eat producers (omnivore or carnivore)
Tertiary Consumer
an organism that eats only meat (carnivore)
Trophic level
the placement of an organism in the trophic pyramid based upon their specific level of consumption
Scavenger
An organism that eats at all levels and will consume dead organisms
Decomposer
An organism that breaks down left over organic material (dead organisms) into useable nutrients
Biomass
The mass of biotic material in an ecosystem
10% Law
The idea that only 10% of the energy from one trophic level is transferred to the level above it
Food Web
A diagram which represents the interconnectedness of all organisms in a system by showing how the food energy moves through the system
Dormancy
When an organism slows down its metabolism to survive in conditions which are outside of its tolerance range
Migration
When an organism moves its habitat to escape from conditions which are outside its normal tolerance range