Natural selection occurs if four conditions are met: reproduction, heredity, variation in physical characteristics and variation in number of offspring per individual.
- Reproduction. ...
- Heredity. ...
- Variation in Characteristics. ...
- Variation in Fitness.
What are the 4 main factors that affect natural selection?
Darwin's process of natural selection has four components.
- Variation. Organisms (within populations) exhibit individual variation in appearance and behavior. ...
- Inheritance. Some traits are consistently passed on from parent to offspring. ...
- High rate of population growth. ...
- Differential survival and reproduction.
What are the 3 factors that influence natural selection?
Explain how factors affecting natural selection (competition, genetic variations, environmental changes, and overproduction) increase or decrease a species' ability to survive and reproduce.
