INHERITANCE VARIATION AND EVOLUTION - Evolution Flashcards
1
Q
Evolution
A
Gradual change in the inherited characteristics of a population over time
2
Q
Natural Selection
A
States all species have evolved from simple life forms that first developed more than 3 billion years ago. By Charles Darwin
3
Q
Why Does Natural Selection Occur?
A
Due to differences in their genes the individuals may show variation in their phenotypes. Individuals with characteristics best suited to the environment are more likely to survive. Individuals breed and the genes that enabled them to survive are passed down to offspring