Evolution Crossword

Structures that show common ancestry
Characteristic that helps an organism survive and reproduce
Mechanism for evolution where nature selects traits that are passed down from generation to generation
Random changes in DNA that increase genetic variation within a population
Formation of new species caused by reproductive isolation
Change in a population over time
A dolphin fin and a shark fin are examples of _______________ structures
Structures that no longer serve a purpose and provide evidence of evolution
A branch of biology and that observe similarities in organisms development
Process where humans breed organisms with desired characteristics
A structural adaptation that allows an organism to blend in with its surroundings
Organisms that are able to reproduce and produce fertile offspring
Used to determine how old fossils are
All the fossils around the world
piece of evidence explains why such similar animals exist very far away from each other
Homologous structures and DNA show
With out this, evolution by natural selection would not be able to occur
Characteristics that can be passed down from parents to offspring