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Ecology
Midterm Vocab Study
32
Environmental Studies
11th Grade
12/11/2010

Additional Environmental Studies Flashcards

 


 

Cards

Term
Eukaryote:
Definition

Has nucleus encased membranes.

Mitochondria, chloloplasts, and golgi bodies.

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

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