Darwin
What is the theory of natural selection?
Natural selection explains how genetic traits of a species may change over time. This may lead to speciation, the formation of a distinct new species.
Same function but different structure
What is Anologous Structure
A faster sea turtle catching more food than another sea turtle.
Survival of the fittest
Bones structures that have been inherited from a common ancestor. Same structure different function.
What are Homologous Structures?
An example of this type of change can lead to natural selection, such as ocean temperatures rising?
What is Environmental Change?
Two similarities between the early development of multiple animals. Think of the fetuses we looked at of different animals. What did they all have in common?
What is They have Gills and have a Tail?
Vestigial Structure
What is a structure that was once useful but no longer serves a purpose present day. Example: whales have leg bones
Scientists later learned from Darwin's studies that variation was a change(or shuffling around) of these
What are Genes?
These type of chosen variations may accumulate in a species over time
Helpful/beneficial adaptations/characteristics
This early animal was one of the first water animals to walk on land
What is Tiktaalik?
Name of the person who contributed to the theories of evolution and natural selection
What is Charles Darwin