,1. Which of the following is a primary factor contributing to
genetic variation in populations?
- A) Genetic drift
- B) Mutation
- C) Natural selection
- D) Gene flow
- ANS: B) Mutation
2. Which of the following best describes the concept of an
ecological niche?
- A) The physical space an organism occupies
- B) The role and position a species has in its environment
- C) The genetic makeup of a population
- D) The reproductive rate of a species
- ANS: B) The role and position a species has in its
environment
3. Which of the following is a key component of the cell theory?
, - A) Cells are the basic unit of life
- B) Cells can arise spontaneously
- C) Cells do not contain genetic material
- D) Cells are not capable of self-replication
- ANS: A) Cells are the basic unit of life
4. Which of the following is a common method for studying
evolutionary relationships among species?
- A) Data encryption
- B) Phylogenetic analysis
- C) Network segmentation
- D) Software patching
- ANS: B) Phylogenetic analysis
5. Which of the following is a characteristic of keystone species?
- A) They have a minimal impact on their ecosystem
- B) They play a critical role in maintaining the structure of an
ecosystem
- C) They are always the most abundant species
- D) They are typically invasive species
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 EmilioOchieng. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.49. You're not tied to anything after your purchase.