• 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

Card Range To Study



Play button


Play button




Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

12 Cards in this Set

  • Front
  • Back
what is evolution?
changes of species over time
what are adaptations?
inherited traits that allow organisms survive and reproduce
difference between acquired traits and inherited traits?
acquired traits: isn't passed down from offspring
inherited traits: determined by genes
definition of biogeography ?
the study where the organisms live today and where their ancestors lived in the past
difference between convergent and divergent evolution?
Convergent: unrelated species that look similar because they live in similar environments.
Divergent: related species that look different because they live in different environments.
definition of fitness?
the ability for an organism to survive and reproduce.
difference between artificial and natural selection?
Artificial selection: nature provides variation and humans select those they find desirable.
Natural selection: nature picks the best fit.
conditions necessary for natural selection to occur?
1)Struggling for existence
2)Variation and adaptation
3)Survival of the fittest
4) Natural selection occurs
what is the principle of common descent?
every living species are descendants from the same common ancestors
list the evidence for evolution!
2)age of earth and fossil records
3)comparing anatomy and embryology
4)genetics and molecular biology
5)testing natural selection
what does the phrase " struggle for existence" mean?
members of population compete for necessities of life.
be able to identify examples of homologous, analogous and vestigial structures.
Homologous: similar structure with different functions
Analogous: different structures with same functions
Vestigial: body parts that aren't needed (wisdom teeth, tail bone, appendix)