Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

10 Cards in this Set

  • Front
  • Back
Resource Partitioning
The differentiation of niches that enables similar species to coexist in a community. (Unlike character displacement, they don't have the same niche when in separate environments)
Predation, herbivory, parasitism
One species benefits, while the other is harmed.
Both species benefit. Examples are seed dispersal or pollination.
One species is not affected, though the other is harmed. Example: Elephant stepping on an ant.
One species is not affected, though the other is benefited.
Exploitative Competition
Indirect: two species compete for a resource that is limiting (in short supply relative to their needs).
Interference Competition
Direct: two species directly harm each other by injury or wasting time, increasing risk, etc.
Apparent Competition
Indirect: two species decrease in each other’s presence because they support the increased abundance or vigor of a common predator.
Character Displacement
The tendency for characteristics to be more divergent in sympatric populations of two species than in allopatric populations of the same two species.
Usually an insect harming another. Each juvenile develops from 1 host, killing and consuming that host.