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History of Life on Earth

Across
Total number of fossils that have ever been discovered.
Forming new allelic combinations in offspring by exchanges in genetic materials.
Organisms, populations, cells, or genes connected to ancestors.
The tendency of individual genetic characteristics in a population to vary.
Amount of phenotypic variation in a population that is due to individual genetic differences.
Is the evolutionary process by which populations evolve to become distinct species.
Ratio of the number of a specified allele in a population to the total of all alleles at its genetic location.
When members of one sex choose mates with particular features to be carried on.
Law, states allele and genotype frequencies in a population remain constant from generation to generation.
Small modifications occur in DNA as offspring descend from parents.
Is the movement of genes from one population into another. ...
Down
A non-renewable resource that cannot be readily replaced by natural means.
Are relationships between the structure and function of various features.
Where species are placed in the same taxonomic category show similarities in DNA, RNA and protein.
When new species are established from a single ancestral population.
Any movement of individuals, and/or the genetic material they carry, from one population to another.
Is when animals EXIT a population.