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
Reading...
Front

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

image

Play button

image

Play button

image

Progress

1/21

Click to flip

21 Cards in this Set

  • Front
  • Back
fundamental niche
full niche of a species
realized niche
portion of fundamental niche that is actually fulfilled
resource partitioning
species divide a resource by specializing in different ways
character displacement
species evolve physical characteristics that reflect their resource partitioning
exploitation
one organism exploits another for its own gain
coevolution
parasites and hosts evolve in response to each other
symbiosis
mutualistic or parasitic relationship between organisms
amensalism
one organism is harmed, the other is unaffected
commensalism
one organism benefits, the other is unaffected
producers
first trophic level (phytoplankton, grass)
primary consumers
second trophic level, consume producers (zooplankton, insects)
secondary consumers
third trophic level, consume primary consumers (fish, rodents)
tertiary consumers
fourth trophic level, consume other consumers (hawks, lions)
detrivores
consume waste products and dead bodies (soil insects)
decomposers
break down nonliving matter to be used by plants (fungi, bacteria)
keystone species
has a particularly strong or far-reaching impact
resistance
a community resists change and remains stable despite disturbance
resilience
a community changes in response to disturbance but later returns to original state
primary succession
community is built from scratch following complete destruction
secondary succession
community rebuilds following severe disturbance
invasive species
non-native species that invades a community