Evolution
The process by which living things change over time
Evolution
Fossils
Mutations can be either _____ or _____ , or even neutral.
Good, bad
Selection by humans
Artificial Selection
Structures that developed the same way, but serve different functions
Genetic variation is added to a population by _____
sexual reproduction or mutations
Selection by causes found in nature
Natural Selection
Analogous Structures
An adaptation is a
Change that makes an organism more fit.
The presence of something that makes survival harder on an animal
Pressure
Structures that once served a function but no longer do
Vestigial Structures
Overproduction is
when a population size outgrows its available resources
Ability to reproduce effectively and efficiently
These genes are responsible for body planning and look similar in both flies and humans
Hox Genes
Do individual organisms adapt to their environments?
NO