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

1/20

Click to flip

20 Cards in this Set

  • Front
  • Back
Individual
A single organism in an environment.
Population
All the individuals of the same kind living in the same environment
Community
All the populations of organisms living together in an enviroment.
Ecosystem
A community and its physical enviroment together.
Habitat
A place in an ecosystem where a population lives.
Niche
The roll each population has in its habitat.
Producer
An organism that makes its own food.
Consumer
An organism in a community that must eat to get the energy it needs.
Food chain
The ways in which the organisms in a ecosystem interact with one another according to what they eat.
Decomposer
Consomer that breaks down the tissue of dead organisms.
Food web
Shows the interactions among many different food chains in a single ecosystem.
Energy pyramid
Shows the amount of energy available to pass from one level of a food chain to the next.
Cometition
The contest among organisms for the limited resources of an ecosystem.
Symbiosis
A long-term relationship between different kinds of organisms.
Instinct
A behavior that an organism inherits.
Learned behavior
A behavior an animal learns from its parents.
Exotic
An imported or nonnative organism.
Extinct
No longer in existence; describes a species when the last organism is gone forever.
Endangered
A term describing a population of organisms that is likely to become extinct if steps are not taken to save it.
Threatened
Describing a population of organisms that are likely to become endangered if they are not protected.