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

1/26

Click to flip

26 Cards in this Set

  • Front
  • Back
  • 3rd side (hint)
Ecosystem
the sum total of biotic and abiotic components of an area and their interactions
Ecological succession
Succesion-a series of diff communities each one altering the area, making it more favorable for the next succesive stage
Primary succession
the 1st community or life in an area
Secondary succession
needs to be in an area that already had life ex. corn field not natural
monoculture
man maintains, not natural
Ecosystem
a community and its abiotic env
complex and stable, many interactions
biom
large area that has typical vegetation, climate
ex. tundra, desert, rainforrest
Abiotic environmental factors
Latitude- how close bioms are the the equator
Insolation- how much sunlight is hittin the land
Air currents and ocean currents
Topography-ex. flat lands, hills= drainage and insolation
LIAOT
Autotrophs
make their own food
plants through photosynthesis
Herbivores
feed directly on plants
Carnivores
feed on animals
Omnivores
feeds on both
Detritivores
feeds on dead
Validity
the extent to which an experiment tests what it is supposed to test
Internal Validity
the extent to which an experiment ensures that the IV is responsible for any changes in the DV
Threats to Internal Validity
History effects
Maturation
Testing
Instrumentation
Selection Bias
Attrition
HMTISA
External Validity
the extent to which the results of an experiment can be generalized to the real world
Threats to External Validity
Sample characteristics
Stimulus or setting characteristics
SS
Mundane realism
making the experiment like the real world
experimental realism
making the experiment feel realistic to the participants
Construct Validity
the extent to which a hypothesized conceptual explanation of an experimental effect is justified
Threats to Construct validity
experimenter effects
demand characteristics
ED
Reliability
the extent to which an experiment or measure gets consistent results
Interrater reliability
the extent to which different raters or judges give the same result
Internal Consistency
the extent to which different items w/in a measure give the same result
Test-retest reliability
the extent to which the same results are found at different times