structures
the structure that no longer has any purpose
what is Vestigial
selection driven by the environment
what is natural selection
parents pass traits on to their offspring
what is inheritance
the man that came up with the theory of evolution and natural selection
what is Charles Darwin
a group of organisms that can reproduce fertile offspring
what is species
structures that have similar structure but in different species
what is homologous
selection driven by getting mates
what is sexual selection
organisms compete for food, other resources, and mates
what is competition
the islands Charles Darwin studied finches on
what is the Galapagos Islands
a change in a DNA sequence
what is mutation
structures that are anatomically different but have a similar purpose
what is analogous
selection driven by humans
what is artificial selection
members of a species have different traits even though they are in the same species
what is variation
the differences the tortoises had from island to island
what is shell shapes
the creation of a new species branching off an old species because of evolution
what is speciation
what is homologous
animal attracts mates with the traits they have
what is intersexual selection
the organism that gets to reproduce many times, not necessarily the strongest
what is survival of the fittest
this happens occasionally and kills the algae the marine iguanas eat so a lot of them die off
what is an El Niño year
what is a fossil
a birds wing and an insects wing have this kind of structure
what is analogous
animal attracts mates by competing with others for mates
what is Intrasexual selection
wolves are the ______ for all modern dogs
what is common ancestor
the name of the ship that Darwin sailed on for 5 years
what is Beagle
a organism gains traits to help them adapt to their environment
what is adaptation