Exam (elaborations)
Final Exam Biology 1105 with 100- correct answers(graded A+).
- Module
- Institution
Final Exam Biology 1105 with 100- correct answers(graded A+).
[Show more]
Seller
Follow
GUARANTEEDSUCCESS
Reviews received
Content preview
Final Exam: Biology 1105 with100% correct answers(graded
A+)
Ultimate source of all genetic variation - answer mutation
individuals move into population
Introduces new alleles "gene flow" - answer Migration
certain genotypes produce more offspring; leads to adaptation -
answer Natural selection
relative allele frequencies in a population will not change over time
(no evolution) if certain assumptions are met - answer Hardy-
Weinberg Theorem
Hardy-Weinberg Assumptions - answer 1. Random mating
2. Closed populations(no entry or exit)
3. No mutations
Hardy Weinberg assumes there is an equilibrium which means there
is no____. Few, if any, populations meet these assumptions - answer
No evolution.
Departures from Hardy-Weinburg - answer 1. Mutation
2. Gene Flow
3. Genetic Drift
, Movement of organisms into or out of populations; population gains
or loses alleles - answer Gene Flow
Change in allele frequency - answer Genetic Drift
when a few individuals from a population colonize new habitats,
they seldom carry alleles in the same frequency as the alleles in the
gene pool from which they came. - answer Founder effect
Larger population greatly reduced in size; resulting population not
representative of original population - answer Bottleneck effect
decrease in ______ makes population less likely to withstand
environmental stress and more susceptible to extinction - answer
genetic diversity
a population or group of populations that differs morphologically
from other populations - answer Morphological species concept
Genetic data reveal that genetically distinct populations may look
___ - answer very similar;part of the morphological species concept
Large morphological differences sometimes exists between very
______ populations - answer closely-related; part of the
morphological species concept
Groups of actually or potentially interbreeding natural populations
that are reproductively isolated from other groups - answer
Biological Species Concept
Organisms may appear to be alike and___ - answer be different
species; part of the Biological species concept
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 GUARANTEEDSUCCESS. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £13.40. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75323 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