100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
NR 578 Exam 2 Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed $10.69   Add to cart

Exam (elaborations)

NR 578 Exam 2 Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed

 3 views  0 purchase
  • Course
  • NR 578
  • Institution
  • NR 578

Life history -:- An organism's lifetime pattern of growth, differentiation, storage, and reproduction Ways to talk about life history models -:- Physiological ecology, population ecology, community ecology Physiological ecology -:- -An individual -Mechanisms of plant adaptation -Individ...

[Show more]

Preview 3 out of 20  pages

  • September 3, 2024
  • 20
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NR 578
  • NR 578
avatar-seller
Latestupdate
2024 /2025 |© copyright | This work may not be copied for profit gain | Excell!


NR 578 Exam 2 Questions & 100% Correct
Answers- Latest Test | Graded A+ | Passed
Life history


✓ -:- An organism's lifetime pattern of growth, differentiation, storage,

and reproduction




Ways to talk about life history models


✓ -:- Physiological ecology, population ecology, community ecology




Physiological ecology


✓ -:- -An individual

-Mechanisms of plant adaptation


-Individual or a few individuals assumed to represent species


-Whole plant or single




Community Ecology


✓ -:- -Vegetation composition, dominance, diversity

-identify community types and relate them to one another


-Relate community attributes to habitat factors and species composition with

environmental gradients



1|Page | Grade A+| 2024/2025

,2024 /2025 |© copyright | This work may not be copied for profit gain | Excell!
-In this kind of ecology, often identify community types of how they relate to one

another.


Ex: Ponderosa pine- mixed with different forest types depending on where it is

geographically. Sometimes intermixed with fir, with spruce, etc.




Population Ecology


✓ -:- -Differences among individuals

-Life-history traits that play out across time for the whole population


-Group attributes important


Example: Trees + population ecology - How engelmann spruce in the south

respond to drought is far different than how those in colorado respond.




Theories of Life History Evolution


✓ -:- R and K strategies




R strategists:


✓ -:- -Occupy disturbed habitats and are unable to persist long-term

-Usually short-lived, such as annual flowers


-Populations grow rapidly and are regulated by density


-Lots f reproduction


2|Page | Grade A+| 2024/2025

, 2024 /2025 |© copyright | This work may not be copied for profit gain | Excell!



K strategists


✓ -:- -Persist in the same habitat for long periods relative to their life

span, stable habitat

-Persist relatively few offspring


-Persist near the carrying capacity of the habitat for the species


-Trees could be considered a k strategist




Grime's Plant Strategies (1977)


✓ -:- Establishment phase of plants experienced three different forms

of natural selection:

-R-selection species


-C-selection species


-S-Selection species




R-selection species


✓ -:- -Ruderals- low stress, high disturbance

-Evolved in severely disturbed but potentially productive habitats


-High seed production




3|Page | Grade A+| 2024/2025

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 Latestupdate. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $10.69. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

78121 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
$10.69
  • (0)
  Add to cart