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

1/36

Click to flip

36 Cards in this Set

  • Front
  • Back
Abiotic Factors
Nonliving parts of an organisms habitat.
Biotic Factors
The living parts of a habitat.
Organism
Living things.
Population
All the mebers of one species in one area.
Community
Different populations that live together in an area.
Ecosystem
The community of an organism that lives in a piticular area, with their nonliving sorrundings.
Ecology
The study of how living things interact with each other and their enviernment.
Ecology
Someone who studys an ecosystem.
Direct Observation
Counting crabs one by one.
Indirect Observation
One way to determain a cliff swallow is to count their cone-shaped nests.
Sampling
To estimate the birch tree population in a forest, count the birch trees one by one.Then multiplie to find the number in large areas.
Mark and Recapture
This resoure is rreleasiing a marked turtle.
Immigration
Moving into a population.
Emigration
Leaving a population
Niche
the role of an organism in its habitat, or how it makes its living.
Adaption
The behaviors and physicall charateristics that allow organisms to live succesfully in thier envirenment
Competition
The struggle between organisms to survive as they attempt to use the same limited resources.
Perditor
The organism that does the killing
Prey
The organism that is killed.
Predation
When one organism kills another organism to live.
Mutualism
Relationship in which both species benifits.
Commensalism
Relation ship in witch one organism benifits and the other dosen't benifit and is not harmed.
Parasitism
Involes one organism living inside another harming it that one organism.
Parasite
The organism that benifits.
Host
The organism the parasite lives on.
Parasitism
Involes one organism living on or inside another.
Symbosis
A close relationship between two species that benifits at least one of the species.
Natrual Selection
A charactoristic that make an indivisual better sutied to its environment, may eventually become common in that species
Carrying Compacity
The largest population that an area can support.
Limiting Factors
An environmental factor that causes a population to decrease.
Population Density
The number of indivisuals in an area of a specific size.
Birth Rate
The number of biths in a population in a certian amount of time.
Estimate
An approximation of a number, based on resenable assumptions.
Species
A group of organisms that are physically simialler and can mate with each other and produce offspring that can. also mate with each other.
Photosynthesis
Plant and algee need water and sunlight to produce their own food.
Organism
Living thing