[permalink] [id link]
** Microevolution: species — speciation — adaptation — selection — natural selection — directional selection — sexual selection — genetic drift — sexual reproduction — asexual reproduction — colony — allele frequency — neutral theory of molecular evolution — population genetics — Hardy-Weinberg principle
Some Related Sentences
** and species
** Eunectes murinus, the green anaconda, the largest species, is found east of the Andes in Colombia, Venezuela, the Guianas, Ecuador, Peru, Bolivia, Brazil and on the island of Trinidad.
** Eunectes notaeus, the yellow anaconda, a smaller species, is found in eastern Bolivia, southern Brazil, Paraguay and northeastern Argentina.
** Eunectes deschauenseei, the dark-spotted anaconda, is a rare species found in northeastern Brazil and coastal French Guiana.
** Eunectes beniensis, the Bolivian anaconda, the most recently defined species, is found in the Departments of Beni and Pando in Bolivia.
** Community ecology: community — keystone species — mimicry — symbiosis — pollination — mutualism — commensalism — parasitism — predation — invasive species — environmental heterogeneity — edge effect
** Reducing agent, element or compound in a redox reaction that donates an electron to another species
** and —
** Luxembourg — no voltage change at the border ( the line Arlon-Luxembourg is at 3 kV DC and the line Gouvy-Luxembourg is at 25 kV AC )
** SBA / ATT — Stolen base attempts: total number of times the player has attempted to steal a base ( SB + CS )
** DI — Defensive Indifference: if the catcher does not attempt to throw out a runner ( usually because the base would be insignificant ), the runner is not awarded a steal.
** Autecology: autotroph — heterotroph — acclimatization — endotherm — ectotherm — hibernation — homeostasis — behavior — circadian rhythm
** and speciation
** The fact that this pattern of speciation occurred the same way on three separate occasions suggests strongly that ecological factors in a sympatric population can cause speciation.
In Devonian | Late Devonian vertebrate speciation, descendants of Pelagic zone | pelagic Sarcopterygii | lobe-finned fish – like Eusthenopteron – exhibited a sequence of adaptations: * Panderichthys, suited to muddy shallows ; * Tiktaalik with limb-like fins that could take it up onto land ; * Tetrapod | Early tetrapods in weed-filled swamps, such as: ** Acanthostega which had feet with eight digits, ** Ichthyostega with limbs.
In Devonian | Late Devonian vertebrate speciation, descendants of Pelagic zone | pelagic lobe-finned fish — like Eusthenopteron — exhibited a sequence of adaptations: * Panderichthys, suited to muddy shallows ; * Tiktaalik with limb-like fins that could take it onto land ; * Early tetrapod s in weed-filled swamps, such as: ** Acanthostega, which had feet with eight digits, ** Ichthyostega with limbs.