Darwin & the
Galapagos
Galapagos
What Group of islands did Charles Darwin visit that inspired his ideas about evolution
The Galapagos Islands
What is an adaptation?
A trait that helps an organism survive and reproduce in its environment
What is the first requirement for natural selection
Overproduction
What is evolution?
A change in a species over time
What tool do we use to look at tiny things like cells?
Microscope
What type of bird did Darwin study that helped him develop his theory
Finches
Give an example of a physical adaptation
Polar bears thick fur
What does genetic variation mean in a population
Individuals have different traits or versions of genes
What do we call traits that help organisms survive and reproduce?
Adaptations
What is the main source of energy for life on Earth?
Sun
Why were the finches on different islands slightly different from each other?
They had adapted to different environments and food sources.
What type of adaptation does camels have
Long eyelashes, Hump that stores water, nostrils that close
What does "survival of the fittest" mean?
Organisms best suited to their environment survive and reproduce more
What is the process that causes Evolution?
Natural Selection
What do humans breathe to survive?
Oxygen
What did Darwin call the process by which organisms change over time?
Natural Selection
How do adaptations happen over time
Through natural selection
What is the final outcome of natural selection over many generations?
Evolution- the species changers over time
Organisms with a beneficial adaptation are more likely to survive and reproduce and pass on that trait
What organ pumps blood throughout your body?
Heart
How did the differences in finch beak shapes support Darwin's theory?
The differences showed how finches evolved traits that made them more fit for their environment, like beaks suited for specific food sources.
Can adaptations be gained during an organism's lifetime? Why or Why not?
No, adaptations are inherited traits and happen over many generations.
List all four requirements for natural selection
Overproduction, Genetic Variation, Adaptation, Selection
What is the difference between a trait and an adaptation?
A trait is any characteristic; an adaptation is a trait that helps an organism survive and reproduce
Which part of the cell is like the "brain" controlling all activities?
Nucleus