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Predation

In ecology, predation is a mechanism of population control. Thus, when the number of predators is scarce the number of... Read More

Fundamentals of Anatomy & Physiology (7th Ed) by F.H. Martini

Fundamentals of Anatomy & Physiology (7th Edition)      ... Read More

Totipotent cell

Definition noun The cell that is capable of developing into any cell type. Supplement In a developing embryo, totipotent... Read More

Restriction enzyme

Definition noun, plural: restriction enzymes An enzyme that catalyzes the cleavage of DNA at restriction sites, producing... Read More

Allele frequency

Definition noun, plural: allele frequencies The frequency of an allele relative to that of other alleles of the same gene in... Read More

Hardy-Weinberg equilibrium

Definition noun A principle stating that both allele and genotype frequencies in a randomly-mating population remain... Read More

Ecological succession

Definition noun (ecology) The progressive succession of a community or group of species in an ecosystem over... Read More

Metabolic rate

Definition noun (1) The rate of metabolism, i.e. the amount of energy used in a certain period. (2) closely approximated* by... Read More