Exam (elaborations)
Herbivory Exam Questions and Complete Solutions Graded A+.
- Course
- Institution
Herbivory Exam Questions and Complete Solutions Graded A+.
[Show more]
Content preview
Herbivory ExamQuestions and Complete
Solutions Graded A+
Herbivory - Answer: • + / - interaction
Herbivory - Answer: • Important because plants are the ultimate source of energy for food webs in most
environments
Continuum - Answer: • Herbivores are not all equal, they can be specialists, generalists, etc...
• The degree of feeding specialization is a __________, rather than either/or
Generalists - Answer: • Animals that eat a wide variety of plants more or less equally, and specialists
•
Specialists - Answer: • Animals that rely on one food source, often to the exclusion of all other available
foods
• Ex. Koala Bear
Extreme Specialists - Answer: • Specialists that eat other plants at different times of the year, or times of
their lives
• Ex. Pygmy Rabbit eats a variety of forbs and grasses in the spring and summer, but during winter exist
almost solely on sagebrush plants
Frugivores - Answer: • Feed on fruit
• Ex. Ruffed Lemurs
, Folivores - Answer: • Feed on leaves
• Ex. Koalas
Nectarivores - Answer: • Feed on nectar
•Ex. Honey Possum
Granivores - Answer: • Feed on seeds
• Ex. Hawaiian Honeycreepers
Palynivores - Answer: • Feed on pollen
• Ex. Honeybees
Mucivores - Answer: • Feed on plant fluids, i.e. sap
• Ex. Aphids
Xylophages - Answer: • Feed on wood
• Ex. Termites
Ecological Effects of Herbivores - Answer: • Reduce plant fitness
• Reduce plant growth rate and reproductive output: Directly as seed predators, Indirectly by reducing
plant biomass (e.g., browsing, grazing), Insect herbivores can completely defoliate plants, even forests!
• Control plant distribution and abundance
• Alter plant community structure and composition - through alterations of plant distribution patterns
and relative abundances
Cochineal - Answer: • Source of the dye carmine, from group of Homoptera (plant-sucking insects) that
live on Opuntia cactus
Herbivores Controlling their Prey - Answer: • 1839 - Prickly pear (Opuntia stricta) introduced to Australia
• 1925 - covered large areas, destroying rangeland
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 YourExamplug. 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)
75057 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now