Evolution Crossword

A change in an organism over time.
Preserved remains or evidence of an ancient organism
Two communities of the same species become isolated from each other due to geographic changes.
Two groups of the same kind live together but evolve. When inbreeding they are two different species.
Group of similar organisms that can breed and produce fertile offspring.
Inherited characteristic that increases an organism’s chance of survival.
Cells, tissues, and organs in a body which no longer function in the same way as before their trait functions.
Structures that have different mature forms in different organisms but developed a form the same tissue.
Similar structures that evolved independently in two living organisms to serve the same purpose.
An organism that is different ex, color, texture, or detail.
Fossils or organisms that prove/ show how they were before and after.
A state where individuals that are better suited for their environment survive & reproduce most successfully.
The movement of genes moving from one place to another place
Random change in allele that often occurs in small populations.
Change in DNA sequence that affects genetic information.
Drastic change in the size of an organisms population.
Combinations of all genetic information of all members of a particular population.
Early development; cells after 14 days (two weeks) of a pregnancy.
Process by which individuals that are better suited to their environment survive and reproduce most successfully.
Ability of an organism to survive & reproduce in its environment.
Principle that all living things have a common ancestor
Each living species that has changes from another species over time.
Classification of an organism/s.
Frequency of an allele relative to that of other alleles of the same gene in a population.
Disappearance of a species from all parts of its geographical range. (Ex: Elephant's today)
A well-tested explanation that unifies a broad range of observations.