Exam (elaborations)
BIO 150 Mini Quiz Question and answers rated A+ 2024
- Course
- Institution
BIO 150 Mini Quiz Question and answers rated A+ 2024
[Show more]
Content preview
BIO 150 Mini Quiz Question and answersrated A+ (6 pgs)
Mutations are changes in the sequences of - correct answer ✔
An organism's fitness is - correct answer ✔relative: it depends on the
context/environment the organism is in
Considering Darwin's observations and inferences, which statement below
explains why the following statement is false? :"Selective pressures cause
organisms to better deal with their environment". - correct answer ✔Selection
acts on existing variation, it does not cause individual organisms to change
What is incorrect about this statement: "Evolution and natural selection are the
same thing"? - correct answer ✔Natural selection is a process that explains
evolutionary patterns.
Mutation is a random process. - correct answer ✔agree
Natural Selection is a Random process - correct answer ✔disagree
Which of the following is not one of Darwin's postulates about the process of
natural selection? (note: wording does not have to exactly match lecture
slides, just the "gist"). - correct answer ✔
Which one of the following statements is accurate? - correct answer
✔Natural selection works on variation already present in a population.
, Some head lice are now resistant to all commonly used pesticide shampoos
used to kill them. Which is the better explanation for this observation? -
correct answer ✔Some lice carried genes for resistance to the pesticide
before contact with the shampoos and their numbers increased after lice
shampoos became common.
Which statement describes the swallow (it's a type of bird) with the greatest
evolutionary fitness? - correct answer ✔A swallow that lives to be 2 years old
and has four offspring, all of which survive to reproduce themselves
Only the strongest and healthiest individuals in a population will survive to
reproduce - correct answer ✔disagree
A chef sprays antimicrobial cleaner on her counter top. At the first, the
bacteria population declines significantly. However, even though she
continues to spray in following weeks, the number of bacteria begins to
increase again. Why did this happen? - correct answer ✔Some bacteria had
traits that allowed them to survive the initial antimicrobial application. They
produced offspring also carrying those traits.
evolution - correct answer ✔change in the genetic composition of a
population from one generation to the next (modification)
pattern of evolution - correct answer ✔observed evolutionary change
process of evolution - correct answer ✔mechanisms that produce observed
patterns of change
natural selection - correct answer ✔process in which organisms with certain
inherited traits are more likely to survive and reproduce than those without the
trait
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 LEWISSHAWN55. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67163 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now