Evolution- Unit 7 Flashcards
What is evolution?
The process in which individuals that are better adapted to survive the conditions of the environment will survive and reproduce
What is natural selection
The process by which individuals that are better adapted to survive will reproduce
What is artificial selection?
The process by which humans breed animals for certain characteristics
What’s a species?
A group of organisms that can reproduce and have fertile offspring
What’s an adaptation?
A trait that improves chances of survival and reproduction for a group of individuals or a population
What’s a population?
A group of organisms that live in a defined geological area.
What did Charles Darwin observe at the Galápagos Islands?
Physical differences in finches on the different island
What is it called when farmers breed for specific traits in cows?
Artificial Selection
While hiking Maria found a rock in the canyon wall, in the rock was a leaf impression what did she find?
A fossil
What is a fossil?
The non-decomposed body of an organism.
For a fossil to form, what must seep into the remains?
Minerals
What do fossils provide evidence for?
History of life in geological past
