Examlex
The distribution of the percentage extinction for genera of marine animals throughout Phanerozoic shows that there has/have been __________ great mass extinction(s) over the past 500 million years that claimed 40 percent or more of these genera.
Gametes
Reproductive cells (sperm in males and eggs in females) that carry half the genetic information of an organism and combine during fertilization.
Allele Frequencies
The relative proportions of different alleles of a particular gene in a given population.
Inheritance of Acquired Characteristics
An outdated scientific theory that proposed individuals can pass on traits acquired during their lifetime to their offspring.
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