Exam (elaborations)
ENVS 101 Final Exam Questions with Correct Answers.
- Course
- Institution
ENVS 101 Final Exam Questions with Correct Answers.
[Show more]
Content preview
ENVS 101 Final Exam Questions with CorrectAnswers
genetic diversty Correct Answer-variety of same genes within a species
(most important)
species diversity Correct Answer-number of diff species within a
community
ecological diversity Correct Answer-richness & complexity of a
community
phylogenetic species concept Correct Answer-defines by genetic
similarity
evolutionary species concept Correct Answer-defines by evolutionary
history
benefits of biodiversity Correct Answer-Increased productivity
ecosystem stability
existence value
economy
threats to biodiversity Correct Answer-habitat destruction
fragmentation
,invasive species
pollution
human population growth
Overharvesting
predator/pest control
endangered species act 1973 Correct Answer-protecting biodiversity for
public
Criteria for identifying at risk species
directions for recovery
assistance to landowners
enforcement
endangered, threatened, Vulnerable
ESA recovery plans Correct Answer-Stabilize or rebuild populations
umbrella species Correct Answer-require large blocks of habitat
flagship species Correct Answer-humans emotionally attatched
ESA success Correct Answer-bald eagle
ESA controversy Correct Answer-timber industry & spotted owl
, habitat protection Correct Answer-better than species protection
principles for protecting biodiversity Correct Answer-1. protect enough
habitat
2. Manage at regional scales to accomodate disturbances
3. plan over centuries
4. Allow for human use without significant degradation
community structure Correct Answer-patterns of spatial distribution of
individuals, species, & communities
Abundance Correct Answer-number of individuals of a species in an
area
high diversity = low abundance
diversity indices Correct Answer-Combine richness and abundance
(evenness)
dominance & Information
Simpson index
distribution Correct Answer-random (resources)
uniform (competition)
Cluster (protection)
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 cracker. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now