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What are two rates evolution can occur and give an example of each

2007-02-13 11:43:54 · 4 answers · asked by atrankid 2 in Science & Mathematics Biology

4 answers

Punctuated equilibrium and Phyletic gradualism.

Punctuated equilibrium example: http://www.don-lindsay-archive.org/creation/globorotalia.html

Phyletic gradualism example: Darren Irwin used a new genetic analysis technique to show that the greenish
warbler native to forests in Asia changes characteristics as its population spreads across the Tibetan Plateau.
Eventually, it becomes another species altogether.
source: http://members.iinet.net.au/~sejones/PoE/pe09mch3.html#mchnsmspctndrwnsphyltcgrdlsmsr

2007-02-13 12:01:28 · answer #1 · answered by Anonymous · 1 0

When You party till your hair smells like smoke, you have no idea where the clothes You're wearing came from, and You don't know how on earth it got to be three days later, that's a party. I lived in an apt when I was younger with my best friend who was a drug dealer at that time. I remember dozens and dozens of wild roaring drunk and stoned parties where I didn't have a clue who 80% of the people at it were, needless to say the furniture didn't thrive in that environment. I don't know whether the last straw for me was the idiot that thought pouring a bottle of vodka into the aquarium was a really good idea cause the "fish need to get lit too", or the idiot I caught feeling my unconscious fiancee up, a scene quite reminiscent of Jesus clearing the Pharisees out of the temple ensued after that one, I know that. Anyway Zacho, You have fun, but for Me, I'm kinda glad that's all over. I'd say Party by Boston. BA: Geeze, it'd be an awful long list. **PJ, Amen to Your amen, brother

2016-05-24 07:10:39 · answer #2 · answered by Jeanette 4 · 0 0

maybe you refer to molecular evolution. Junk DNA evolves very rapidly because there is no selection pressure; in contrast genes coding for ribosomal proteins and RNA evolve very slowly (such that bacterial and eukaryotes have similiar genes), since these proteins are critical for life.

2007-02-13 11:54:45 · answer #3 · answered by gibbie99 4 · 1 0

uh!?

2007-02-13 11:49:12 · answer #4 · answered by Alex Ortiz 3 · 0 1

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