• 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

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/23

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;

23 Cards in this Set

  • Front
  • Back
fossils are...
clues to the past
when was the world first formed?
4.6 billion years ago
what was the earth like in its early stage?
very HOT
what scientist studies fossils?
a paleontologist
when did the first life evolve?
3.5 billion years ago
non living material can produce life is ______________
spontaneous generation
experimented with meat and maggots
Redi
biogenesis
living comes from living things
Oparin
suggested the atmosphere plus lighting made the first "primordial soup"
tested Oparin's theory out
Miller and Urey
Sidney Fox
showed how chains of amino acids could form proteins
the first cells were.....
PROKARYOTES!!!
theory that eukaryotic cells arose from prokaryotic cells
the Endosymbiotic Theory
the islands Charles Darwin visited
Galapagos Islands
"organisms acquired or lost certain traits during their lifetime that were passed down to their offspring"
person and theory name
Lamarck
Use and Disuse theory
artificial selection
breeders determine what they want to have in their animals and breed them
natural selection
nature picks the traits that can best survive and live on to reproduce
darwin's book
On the Origin of Species
any change in the gene pool of a population is called ___________
evolution
three types of natural selection
directional, stabalizing, and disruptive
directional selection is....
when an extreme value of a trait is favored, so the population moves in a certain direction
stabalizing selection is...
favoring the average trait
disruptive selection is...
favoring the extremes on either end