competition10

competition10 - 1 When grown alone When grown together Some...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon

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

View Full DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 1 When grown alone When grown together Some apparently similar species co-exist how? When grown in separate tubes When grown together 2 Chthamalus Balanus Competition among barnacles on the Scottish coast Balanus upper limit Chthamalus upper limit Chthamalus zone Balanus zone Connell 1961 Chthamalus settlement Why doesnt Chthamalus live where Balanus lives? 3 Chthamalus settlement Experiment: remove Balanus from areas of the lower intertidal and see what happens More types of competitive interactions, modiFed for mobile animals: Territoriality: Encounter: 4 How might interspecifc competition cause the evolution oF resource partitioning ? prey size PerFormance Start with 2 species with high niche overlap and assume resource use is genetically controlled Individuals oF the red species that eat large prey will have greater ftness relative to those that eat small prey because they experience only weaker interspecifc competition Individuals oF the red species that eat small prey will have reduced ftness relative to those that eat larger prey because they experience strong interspecifc competition prey size PerFormance Because individuals that eat larger prey leFt more oFFspring than those that eat smaller prey, the mean phenotype has shiFted...
View Full Document

Page1 / 6

competition10 - 1 When grown alone When grown together Some...

This preview shows document pages 1 - 5. Sign up to view the full document.

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