100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Isolation mechanism $7.99   Add to cart

Class notes

Isolation mechanism

  • Course
  • Institution

in evolution, isolation mechanism is a mechanism that prevents two populations from interbreeding and thus enables the populations to diverge enough to allow separate species to evolve. Isolating mechanisms may also prevent interbreeding between overlapping species.

Preview 3 out of 29  pages

  • February 18, 2024
  • 29
  • 2023/2024
  • Class notes
  • Nyongesa
  • All classes
avatar-seller
BOTA 422
LECTURE 5: Isolation mechanisms



DR. BENSON O. NYONGESA




02/18/2024

, Isolation mechanism
Definition:
• Factors that prevent gene exchange

• Agents that hinder interbreeding of the group of individuals

• Isolating mechanisms are particularly important in the biolo
species concept, in which species of sexual organisms are d
by reproductive isolation, i.e. a lack of gene mixture.

• Types: a) Geographical and b) Reproductive isolating
mechanisms
02/18/2024

, Geographic Isolating mechanisms
• Occurs when populations cannot mate due to the existence o
physical barriers among them.

• Geographically separated populations aren’t necessarily disti
species

• Leads to the formation of allopatric species: Physical barrier
mountain, lake, fault line formation etc.




02/18/2024

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 ronexngeywo. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $7.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

78075 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$7.99
  • (0)
  Add to cart