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

16 Cards in this Set

  • Front
  • Back

Carbon Cycle

The movement of from the nothing environment into living things and back


The exchange of oxygen and carbon dioxide between living cells and their environment

Nitrogen Cycle

The cycling of nitrogen between organisms,soil,water,and the atmoshere

Phosphorus Cycle

The cycle movement of phosphorus in different chemical forms from the environment to organisms and the back to the environment


A group of or organisms of the same species that live in a specific geographic area and interbreed.

Carrying Capactiy

The largest population that an environment can support at any given time.


An interaction between two organisms in which one organisms, the predator ,kills and feeds on the other organisms ,the prey


The evolution of two or more species that is due to mutual influence


A relationship between two species in which one species , the parasite, benefits from the other species ,the host , which is harmed


A relationship between two different organisms live in close association with each other


A relationship with two species in which both species benefit


A relationship between two organisms in which one organisms benefits and the other is unaffected


The unique position occupied by a species , both in terms of its physical use of its habitat and its function within an ecological community

Fundamental niche

The largest ecological niche where an organisms or species can live without competition

Realized niche

The range of resources that a species uses , the conditions that the species can tolerate ,and the functional roles that the species plays as a result of competition in the species fundamental niche