Herreid_10_5_07

Herreid_10_5_07 - complete competitors cannot co-exist...

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
Competition Relationships between species species A species B Neutralism =no interactions producing effects on A/B Mutualism A (+) (+) B Competition A (-) (-) B Predation A (+) (-) B Predator prey
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Relationships between species Parasitism A (+) (-) B Commensalism A (+) B Amensalism A (-) B Parasite host
Background image of page 2
Competition and Selection Resource competition = A B inhibits inhibits Interspecific = between species Intraspecific = within species Strategies of Competition: 1. Scramble competition = same resource at different times --- moose and rabbits 2. Contest competition = same resource at same time ---jackals and vultures
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Example
Background image of page 4
Results of competition 1. One species wins and the other becomes extinct Competitive Exclusion Principle
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 6
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 8
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 10
Background image of page 11
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: complete competitors cannot co-exist (Gauses Principle) 2. Co-existence shared habitat a. Shifting advantages e.g. Flour beetles b. Populations are maintain below competitive levels e.g. Influences such as disease and predation Key-stone specie s http:// divebums.com/FishID/Pages/gian http://divebums.com/FishID/Pages/sunflower_star.html Results of competition cont c. Resource partitioning e.g. Wood warblers http://aves.net/photo-index/wood Competition Extinction Co-existence Extinction Extinction More competition Resource partitioning Shifting advantages Low Population density Evolution Less competition...
View Full Document

This note was uploaded on 06/24/2008 for the course BIO 200 taught by Professor Herreid during the Fall '07 term at SUNY Buffalo.

Page1 / 11

Herreid_10_5_07 - complete competitors cannot co-exist...

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online