University:
Texas A&M University
Course:
BIOL 111 | Introductory Biology I
Academic year:

2025
Views:

156

Pages:

1
Author:

MojoMaker

----------------------------------------------------------------------------------------------------------Question: What is the biological species concept? ----------------------------------------------------------------------------------------------------------Answer: The biological species concept (BSC) is a widely accepted definition of species in biological classification. It was formulated by Ernst Mayr in the 20th century and defines a species as a group of organisms that can interbreed and produce viable and fertile offspring in natural conditions, while being reproductively isolated from other such groups. This concept emphasizes the role of reproductive isolation and genetic continuity within populations, facilitating the understanding of speciation processes. The BSC is particularly useful for sexually reproducing organisms but may be less applicable to asexual organisms, prokaryotes, and some cases of hybridization. Key Features of the Biological Species Concept:    Reproductive Isolation: Species are separated by barriers that prevent interbreeding, which may include temporal, behavioral, mechanical, or geographic factors. Viability and Fertility: Offspring produced by members of the same species must be viable and capable of reproduction. Natural Conditions: The concept applies to populations in natural settings rather than artificial environments. Useful Sources:    Mayr, E. (1963). Animal Species and Evolution. Harvard University Press. Ridley, M. (2004). Evolution. Blackwell Publishing. Futuyma, D. J. (2013). Evolution. Sinauer Associates.

Biological Species Concept

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