Exam (elaborations)
TEST BANK FOR CAMPBELL BIOLOGY 12TH EDITION || CHAPTERS 23||FULL COMPLETE||LATEST
- Course
- Institution
TEST BANK FOR CAMPBELL BIOLOGY 12TH EDITION || CHAPTERS 23||FULL COMPLETE||LATEST
[Show more]
Content preview
ESTUDYTEST BANK FOR CAMPBELL BIOLOGY 12TH EDITION
|| CHAPTERS 23||FULL COMPLETE||LATEST
1) What is a common misconception about evolution?
a) Evolution happens to whole populations
b) Only environments evolve
c) Individual organisms evolve
d) Genetic material does not change
**Answer**: c) Individual organisms evolve
2) What happened to the population of birds on Daphne Major Island during a drought?
a) Small-beaked birds survived better
b) Birds with large beaks survived better
c) Birds with colorful feathers survived
d) Birds that migrated survived
**Answer**: b) Birds with large beaks survived better
3) What is "microevolution"?
a) Evolution on a global scale
b) Change in allele frequencies in a population over generations
c) Evolution only in large populations
d) Evolution that only affects animals
**Answer**: b) Change in allele frequencies in a population over generations
,ESTUDY
4) Which of the following is NOT one of the three main mechanisms that cause allele frequency
changes?
a) Genetic drift
b) Natural selection
c) Gene flow
d) Migration
**Answer**: d) Migration
5) What is "natural selection"?
a) Picking traits that allow organisms to survive
b) The random mutation of genes
c) A change in the environment that causes extinction
d) The process by which evolution is reversed
**Answer**: a) Picking traits that allow organisms to survive
6) What is required for natural selection to occur?
a) Random mutations
b) Variation with a genetic component
c) Environmental influence only
d) No genetic variation
**Answer**: b) Variation with a genetic component
7) What causes genetic variation among individuals?
a) Differences in diet
b) Differences in genes or DNA segments
, ESTUDY
c) Differences in the environment
d) Changes in behavior
**Answer**: b) Differences in genes or DNA segments
8) What is a phenotype?
a) An inherited gene
b) The physical expression of a genotype influenced by the environment
c) A change in DNA
d) The total of all genetic information in a population
**Answer**: b) The physical expression of a genotype influenced by the environment
9) How can new genes and alleles arise?
a) Through natural selection
b) By mutations or gene duplication
c) By the influence of the environment
d) Through learning and adaptation
**Answer**: b) By mutations or gene duplication
10) What process increases genetic variation during sexual reproduction?
a) Mutation of DNA
b) Recombining existing alleles
c) Cloning genes
d) Natural selection
**Answer**: b) Recombining existing alleles
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 or Stuvia-credit 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 Estudyr. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
80435 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now