Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
3 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Decent with modification |
the passing on of traits from parent organisms to their offspring |
Traits |
|
|
Common descent |
the scientific theory that all living organisms on Earth descended from a common ancestor. |
|
|
|
What's needed for natural selection? |
1. Produce more offspring that can survive 2. Compete for limited resources 3.variation within species 4. Variation is heritable 5. Variation benefits some to survive better 6.better suited = live longer = traits get passed down 7. Time |
|
