Ch16 Competition2.pdf

1 Page
58 Views
Unlock Document

Department
University College Courses
Course
UNI101Y1
Professor
Spencer Barrett
Semester
Winter

Description
BIO120H © Li| Page 2011 Competition Between Closely and Distantly Related Species  Charles Darwin  compet. should be most intense b/w closely related species  “As species of the same genus have usu., though by no means invariably, some similarity in habits and constitution, and always in structure, the struggle will generally be more severe b/w species of the same genus, when they come into compet. w/ each other, than b/w species of distinct genera”  similar structure = similar function  distantly related org. also use same resources Renewable and Nonrenewable Resources  nnonrenewable resources resources that are not regenerated  ex. space (only “replenished” when consumer leaves)  rrenewable resources constantly regenerated/renewed  ex. birth of prey provides continual supply of food for predators  types of renewable resources:  some renewable resources originate beyond the influence of consumers ex. sunlight  thus, consumers reduce its immediate availability but not their supply  the resource doesn’t respond to consumption  generated w/in the ecological sys.  predator-prey, herbivore-plant, parasite-host  supply of prey, plants, and hosts is constantly regenerated  by reducing pop. of resources, they reduce rate of renewal  regenerated w/in ecosystem linking indirectly to their consumers  through food chain links or abiotic processes  ex. nitrogen cycle: plants assimilate nitrate from soil  herbivores eat plants  return nitrogen to soil  broken do
More Less

Related notes for UNI101Y1

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit