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BIOL 101 Test 4 study
Definitions and key terms for the fourth test in BIOL 101 @ SDSU
28
Biology
Undergraduate 2
04/18/2011

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Term
Evolution
Definition
Change over time
Term
Who is the father of evolution?
Definition
Charles Darwin is the father of evolution for his expedition to the Galapagos on board the HMS Beagle
Term
Adaptation
Definition
Developing traits that allow an individual to survive and reproduce and survive in an environment
Term
give a classic example of adaptation
Definition
Darwin's Finches
Term
What is the mechanism of natural Evolution
Definition
Natural Selection
Term
Natural Selection
Definition
Those that are better adapted to survive in an environment are more likely to survive and reproduce
Term
Sexual Selection
Definition
Anything to affect the likelihood of mating/ability to secure a mate
Term
Give an example of sexual selection
Definition
Bright colors in birds
Term
How many species have been named by science?
Definition
only 1.4 Million
Term
What is the estimate of the number of species on earth?
Definition
10 million
Term
Systematics?
Definition
The study of biological diversity of organisms and their evolution
Term
Taxonomy
Definition
The naming and classification of life
Term
How many animal kingdoms were there originally?
Definition
five
Term
Who first invented the five animal kingdoms?
Definition
Robert Whittacker
Term
Linnean System
Definition
A classification system used to name multicellular life. Gives each organism a binomial Latin name consisting of a genus and a species.
Term
Who invented the Linnean System?
Definition
Carolus Linnaeus
Term
When was the Linnean system invented?
Definition
In the 1750s
Term
Cladistics
Definition
A branch of systematics that reconstructs the evolutionary history of organisms.
Term
Name the diagrams used in cladistics.
Definition
Cladograms
Term
Demography
Definition
The study of factors that affect population
Term
What factors are population biologists interested in?
Definition
Size, health, growth and distribution of populations
Term
What three factors determine population growth?
Definition
Reproduction or birth rate (fertility), Death rate (mortality), Migration
Term
Immigration
Definition
The addition of an organism to a population
Term
Emigration
Definition
Loss of an organism from a population
Term
Population growth =ZPG when?
Definition
when the (immigration/birth rate)= emigration/death rate)
Term
An important component in a population is the link between predator and...
Definition
Prey
Term
An important component in a population is the link between Prey and...
Definition
Predator
Term
T/F the link between predator and prey links one organism with the other?
Definition
T
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