Exam (elaborations)
Bio 181, Lab #3.
- Module
- Master ASL! Unit 6
- Institution
- Master ASL! Unit 6
Exam of 3 pages for the course Master ASL! Unit 6 at Master ASL! Unit 6 (Bio 181, Lab #3.)
[Show more]
Seller
Follow
Content preview
Bio 181, Lab #3Evolution - correct answer-The process by which different kinds of living
organisms are thought it have developed & diversified from earlier forms
during the history of the earth.
The Vastness of Geologic Time - correct answer-Geologic data show that
Earth is about 4.6 billion years old.
The earliest signs of life are found in rocks about 3.4-3.8 billion years old.
Micro-evolution - correct answer-Genetic change in populations.
The genetic composition of generation A is different from that of generation B.
The population is not in Hardy-Weinberg equilibrium.
-there is mutation
-there is genetic drift
-there is natural selection
-there is non-random mating
-there is migration
-there is a small population size
Mutation - correct answer-Mutation is the key to our evolution, without
mutation & the variation it brings about, there could no evolution because
there would be no variation to act on. Mutation is the engine that drives
evolution.
-point mutation
-chromosomal mutations
-DNA rearrangements
-changes in numbers of chromosome sets
Genetic Drift - correct answer-A change in the gene pool of a population due
to chance.
-bottleneck effect
Natural Selection - correct answer-All organisms have descended with
modifications from common ancestors. The chief agent of modification is the
action of natural selection on individual variation.
-populations evolve, organisms do not
-individual variation
-heritable characteristics
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller modockochieng06. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £6.19. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78310 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now