Evolution (Modern theory of evolution) Flashcards
Natural selection is based on….
- Variability os inherited traits 2. Growth of population and limited resources 3. The survival of the fittest, where organisms adapt 4. The inherited traits that are passed to offspring
Variability consists of…
Mutations and Sexual reproduction
Mutations in variability are when…
when new organisms are produced in new population, happening randomly in the DNA
Mutations can affect…
Gametes, passing them to their offspring.
Most mutations are….
Harmful, but they can be neutral or beneficial, being favoured by natural selection
Sexual reproduction in variability is…
when organisms produce a new combination of traits in their offspring.
If two parents with different traits mate…
They can make new traits
The modern evolution synthesis is called….
The Neodarwinism theory.
In adaptation and natural selection, if environment conditions dont change….
Organisms will reproduce more, and the population will increase
Sexual selection is based on…
traits based on the gender
An example of sexual selection could be…
The traits that a male peacock has and a female peacock do not have
