Exam (elaborations)
ENVS 212 Final Exam Questions with Correct Answers
- Course
- Institution
ENVS 212 Final Exam Questions with Correct Answers
[Show more]
Content preview
ENVS 212 Final Exam Questions with Correct AnswersPhysical Constraints Correct Answer--some structures do not evolve because the properties of biological materials do not permit them
-may be phylogenetic
-animal can not get any bigger (relatively less surface area)
Functional (Selective) Constraints Correct Answer--some features do not
appear in particular lineages because they are always disadvantageous
Genetic Constraints Correct Answer--genetic variation in a particular phenotype may not be present
-genes that influence multiple phenotypic effects are especially likely to exhibit decreased variability
-there may be little tolerance for genetic variation in some critical development genes or genes necessary for basic cellular functioning
Reproductive Isolation Correct Answer--when population are unable to produce viable fertile offspring
-barrier to gene flow
Geographic Isolation Correct Answer--populations are physically assaulted from other populations by distance of barrier -Subspecies Correct Answer--population which have not yet been designated full species status
Hybridization Correct Answer--interbreeding between differentiated populations or species
-can lead to introgression (movement and incorporation of genes from one population into another)
Monophyletic Group Correct Answer--a group that includes all of the descendants of a common ancestor
Species Concepts Correct Answer--enable classification (taxonomy)
-corresponds to discrete groups of organisms
-helps to understand how discrete groups arise (process)
-represents products of evolutionary history
-applies to the widest array of organisms
Morphological Species Concept Correct Answer--species are groups of organisms that look really different from one another
-Darwin's original concept
-heavily criticized
Genotypic Cluster Species Concept Correct Answer--species are distinct
genetic clusters, separated by few or no intermediates
-genetic extension of Darwin's morphological species concept
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 $14.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now