Chapter 4 - Evolution - Artificial Selection Flashcards
What is artificial selection?
Humans selecting organisms that we believe are necessary but don’t necessarily help the organism to survive
The gradual improvement of animal and plant characteristics overtime, for man’s benefit
What is selective breeding?
Select organisms with desirable features to produce new variation of plants and animals that have these desirable features
What are the advantages to artificial selection?
~ no objections
~ monoculture
What are the disadvantages of artificial selection?
~ takes long time
~ could end up with bad characteristics
~ monoculture
What are the advantages of monoculture?
~ easier to maintain - grow same rate
~ all need same care and harvest same time
What are the disadvantages of monoculture?
~ some genes go extinct (some may be desirable)
~ diseases will affect all as they’re the same
What is monoculture?
Growing the same thing