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CP Ecology Part 2

Ecology Part 2 F14

QuestionAnswer
herbivore Organisms that eat only producers (green plants)
heterotroph An organism that cannot synthesize its own food and is dependent on complex organic substances for nutrition.
ingestion A heterotrophic mode of nutrition in which other organisms or detritus are eaten whole or in pieces.
limiting factors restrict the growth of a population
metamorphosis process of change through which an immature organism passes as it grows to adulthood
nutrition the process by which organisms take in and utilize food material.
regulation to keep in control
J curve curves –shows population growth with exponential curve; has no limits
mutualism A feeding relationship in which both organism benefit.
nitrogen cycle process by which nitrogen is exchanged between organisms and the environment.
parasitism A feeding relationship where only one organism benefits and the other is harmed
predator Preys on other organisms
prey The animal being hunted for food
producers An organism at the bottom of the food web that can manufacture its own food from energy and carbon atoms in its environment.
S curves when the rate of the population slows down as it reaches the carrying capacity (when the environment can’t longer handle the number of species)
sampling to estimate the size of a population is to collect data by taking random samples.
symbiosis A close relationship where at lease one member benefits.
Created by: nbctbio