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

10 Cards in this Set

  • Front
  • Back
study of life and living organisims; study of physics, chemistry, and mathematics working together in a living system.
Life has organization:
Acquires energy and nutrients (metabolism), adapts to environment (homeostatsis), reproduces, adapts to environment to survive (evolution)
Hierarchy of Life or Levels of Complexity
Atoms/Molecules, organelles, cells, tissues, organs, systems, organism, population, community, ecosystem, biomes, biosphere
prokaryotic (no nucleus),nonmembrane bound organelles, single cell, bacteria: arachaebacteria, eubacteria
eukaryotic (nuclus present),no cell wall, multicellular, eukaryote: protista (single cell), fungi (decomposer), plantae (producer/autotroph), animalia (consumer/heterotroph)
gradual process in which something changes into something different, more complex over time
is the variation of traits that have accumulated in a line of descent.
Natural Selection=
does not act on individual but on whole populations
when individuals differ in the ability to survive and reproduce, the traits that help them do so become more popular in the population over time
Scientific Method:
Observation, Hypothesis (testable educated guess), Prediction (if-then process), Test (experiment and control group), Conclusion
Scientific Theory=
long standing hypothesis, that explains many different phenomena