L8 Flashcards
What is evolution?
Organisms developed from earlier forms during history of the earth.
Whats a factor that affects evolution?
Sexual reproduction.
combined/shuffle of DNA——> variation
Another factor of evolution?
Environment.
Whats Variation?
Shuffled genes and recombined in random ways.
What’s mutation?
Spontaneous change to DNA results different characteristics.
RAPID CHANGE!
Species?
Animal able to produce fertile offspring.
Whats survival of the fittest?
Animals reproductive success.
Whats convergent evolution?
Species evolve independently but share similar characteristics.
(fill environmental ‘niche’)
What’s extinction?
Where an animal is no longer living anywhere in the world.
Whats variation?
Individuals different from each other.
Passed on to next generation.
Adapted to environment.
Whats heredity?
Passing on of traits from parents to offspring.
Whats the principles of selection?
Higher survival and reproductive success in a given environment.
