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Biology Vocab

Vocab for Module 5

TermDefinition
Biodiversity Number of different species living in a specific area
Genetic Diversity variety of inheritable characteristics of genes in an interbreeding population
Species Diversity A biological community, the number and abundance of different species
Ecosystem Diversity The variety of ecosystems in the biosphere
Gene Function unit that controls inherited trait expression that is passed from one generation to another
Background extinction the gradual process of species becoming extinct
Mass extinction An event in which a larger percentage of all living species become extinct in a relatively short period of time
Natural Resource All materials and organisms found in the biosphere
Over exploitation Excessive use of species that have economic value
Edge effect Different environmental conditions that occur along the boundaries of an ecosystem
Biological Magnification The increasing concentration of toxic substances in organisms as trophic levels increase in a food chain or food web
Eutrophication Process by which lakes become rich in nutrients from the surrounding watershed, resulting in a change in the kinds of organisms in the lake
Endemic Only found in one specific geographic area
Bioremediation Technique using living organisms to detoxify a polluted area
Direct economic value the immediate, tangible financial or material benefit that humans derive from individual species, genetic resources, or ecosystems through direct use or harvest
Indirect economic value worth of the ecological services and functions that living organisms and ecosystems provide without requiring direct harvesting, destruction, or physical consumption of the species
Aesthetic Value The values used to judge the visual, design, and overall look of things EX: The visual beauty of nature
Scientific Value The core principles that guide scientists when they do research
K strategists An adaptations for living environments THAT ARE FAIRLY STABLE ( Typically Type I) They typically produce fewer offspring and survive longer EX: Humans
R strategists An adaptation for living in an environment where FLUCTUATION IN A BIOTIC OR ABIOTIC FACTOR OCCURS ( Typically Type III) They often have short lifespan and high juvenile mortality EX: Fruit Flies and Mice
Type I Most individuals survive early and middle life; mortality rises sharply in old age (Typically K strategists)
Type II Individuals have a relatively constant risk of death at all ages
Type III Many individuals ie young, survivors may live much longer
Created by: user-2061025
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