Evolution (Ch.15) Flashcards
What is evolution
A change in populations over time
What is a population
A species of individuals
Where does all the supporting information for evolution come from
Biology, Geology, Physics, Chemistry
Charles Darwin was…
curious about______ amongst species
relationships
Charles Darwin had…
collected ______ and _______ on his voyage on the HMS Beagle
organisms; fossils
Charles Darwin had…
traveled to the ____ islands, which became his key spot of_____ and collecting
Galapagos; observing
Charles Darwin had…
developed biology’s biggest ______ about the change in ______
theory; organisms
Charles Darwin was…
influenced by his voyage and _________
Thomas Malthus
What did Thomas Malthus notice when the human population exceeded
That they had plenty of resources
When does the rate of the human population slow down
When there are limited resources or carrying capacity
What will occur when the human population exceeds the food and recourses on earth
famine, disease, and war will occur
What is Artificial selection
When humans breed organisms with specific traits to produce offspring’s with identical/enhanced traits (Example: Dogs, Cats, Fruits, Vegetables, etc.)
What is natural selection
Organisms with favorable variations survive, reproduce, and pass their variations to the next generation
Natural selection is the mechanism for……
- The change in populations
- Evolution
What was Wallace’s biggest idea
Organisms that are similar, have similar geographic origins
What are Adaptations
Any variations that aid an organisms chances of survival in its environment
What are the 6 examples for evolution
- Structural Adaptations
- Psychological adaptations
- Fossils
- Anatomy
- Biochemistry
- Embryology
What is Anatomy
The structure or form of an organism
What is biochemistry
An organisms chemicals makeup
What is embryology
How an organism develops from first cell to birth/germination