Honors Biology Crossword

The process of change by which an organism or species becomes better suited to its environment
The change in characteristics over several generations
The irrevocable loss of a species
Scientists who study fossils
The intentional breeding of plants and animals
The process whereby organisms better adapted to their environment tend to survive and produce more offspring
The sequence in which fossils appear within layers of sedimentary rock
Layers
Geographic distribution of species
Similarity in characteristics that result from common ancestry
Structures that are of marginal or no importance to the organism
A group of individuals of the same species living in the same place at the same time
Total collection of genes in a population at any one time
Evolution is occurring on its smallest scale
A change in the nucleotide sequence of DNA
A change in the gene pool of a Population due to chance
Differences in the gene pool of a small colony compared with the original population
The contribution an individual makes to the gene pool
Many of the nucleotide differences found in noncoding sequences of DNA appear to confer no selective advantage or disadvantage
Occurs when natural selection maintains stable frequencies of two or more phenotypic forms in a population