Biology 1201A Lecture Notes - Lecture 6: Zygote, Genetic Drift, Mars Cube One
8 Dec 2015
School
Department
Course
Professor
Document Summary
Identifying distinct species based on the morphological species concept. Can characterize populations based on the ratio between the s & v (snout to vent) also known as head to tail ratio. Morphological series concept determines: 3 separate species: A and e: based on morphology. Identifying distinct species based on the biological species concept: choose a mate based on their calls. Makes sense that the biological species concept are the same as the morphological species concept due to: not seeing any gene flow, sharing traits in common. Post zygotic mechanism allows a species to appear similar but react differently in an environment. Reinforcement: formerly isolated population attempt to interbreed again, selection against hybrids of formerly isolated populations, reinforces the different between the two population, if offspring suck between two different populations (ex. A +c), it reinforces that they are different species. A + e are reproductively isolated from b and c.
