artificial selection Flashcards
1
Q
artificial selection / selective breeding
A
breeding for a purpose
- humans select for a particular characteristic
- more rapid and intense then what occurs in nature
2
Q
artificial selection method
A
- identify desired trait
- breed with those animals
- select the best offspring and breed again
- repeat over several generations until the desired trait is developed
3
Q
problems with artificial selection
A
- involves inbreeding which reduces genetic diversity
- traits are chosen to benefits humans not the animal
4
Q
selection pressures
A
- competition between species for food and homes
- predator - prey relationships
- competition within species for food or water
- sexual selection
