Ecology
Eukaryote:

Has nucleus encased membranes.

Mitochondria, chloloplasts, and golgi bodies.

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Prokaryote:
Lacks nucleus and membrane bound cells.
Detritus Feeder:
Consumes decomposing organic material.
Chemosynthesis:
Processes organisms used to produce carbohydrates from carbon dioxide and water.
Phototropism:
Movement of part of an organism towards light.
Hydrotropism:
Movement of an organism toward water.
Geotropism:
Growth response in relation to gravity.
Population:
A group of one species that inhabit a specific area.
Coevolution:
Two or more species evolving together.
Gene pool:
Total number of genetic information within a population.
Convergent evolution:
Organisms evolve structures similar to other organisms in spite of their evolutionary ancestors being unrelated.
Divergent Evolution:
Process a species evolves into two or more different forms.
Ecological Community:
Two or more populations of different species occupying the same area.
Population Distribution Pattern Examples:
Clumped, random, or uniform
Survivorship Curve:
Plotting a life expectancy table on a logarithmic scale. There are three types.
Density Independent:
A factor that effects the population regardless of the population size.
Density Dependent:
A factor that effects the size of a population depending on the population size.
R-Strategy:
Organisms to produce offspring with little to no parental care and can only produce while they’re young.
K-Strategy:
Organisms live long lives and don’t produce until they are older, and produce slower.
Logistic Growth:
Population growth rate decreases with increasing numbers of individuals until it becomes zero when the population reaches a maximum.
Equation for Population Growth:
Population x Affluence x Technological Impact per Unit of Consumption

(PAT)

Fundamental Niche:
Full range of environmental conditions an organism can possibly occupy.
Realized Niche:
Space a viable population of species occupies in the presence of competitor species.
Specialist Species:
Organisms with relatively tightly defined niches and a narrow range of tolerance.
Generalist Species:
Able to thrive in a wide variety of environmental conditions.
Biomass:
The total mass of all the living material in a certain area.
Interspecific Competition:
Individuals from a different species competing for the same resource.
Intraspecific Competition:
Members of the same species competing for the same resource.
Commensalism:
One member benefits from the relationship while the other is neither helped, nor harmed.
Structural Adaptations:
A physical trait that aids survival when a living thing evolves to its environment.
First Law of Thermodynamics:
Energy is neither created nor destroyed.
Second Law of Thermodynamics:
When energy is transformed from one form to another it becomes a lower quality of energy due to some being released as heat.
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