Charles Darwin Flashcards
Darwin left with the MS Beagle in ___?
1831
The duration of Darwin’s expedition took him ___?
5 Years
He made observations on the ___?
Galapagos Islands
He studied?
Finches, mockingbirds and tortoises
Darwin’s theory that dominant characteristics are passed on to the
next generation is called __?
Natural Selection
Darwin and Wallace ___ discovered the natural origin of species and the theory of natural selection based on a distinct set of observations and facts.
INDEPENDANTLY
Darwin’s book was published in ___?
1859
The Wallace line is ___?
An imaginary line that separates the Asian flora and fauna from the Australian flora and fauna
What does Homologue mean?
Having a similar structure and similar evolutionary origin
What does Analogous mean?
Having the same feature but different origin
What is Natural Selection?
The process whereby organisms better adapted to their environment tend to survive and produce more offspring.
(survival of the fittest)
What is Genetic
variation/traits
Individuals in a population are naturally variable,
meaning that they are all different in some ways.
This variation means that some individuals
have traits better suited to the environment than
others.(Genes)
Favorable genetic traits are ___?
determined by the environment
Adaption is __?
An adaptation is a type of mutation, or change in an
organism’s genes.
Mutation is __?
changes in the structure of the molecules that make
up genes, called DNA