Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

theory of evolution

QuestionAnswer
homosapiens person
neanderthal caveman
fossils physical clues of the past that help determine what happened long ago
trace fossil that is a marking left by an animal. example is a footprint
cast minerals and rocks fill a space left by a decayed organism, they make a replica of the organism
petrified minerals replace wood making a copy of them
imprint thin object falls into sediment can leave an imprint when sediment hardens. example is a leaf
molds organism is buried in sediment and then decays , leaving an empty space. leaving a negative image of organism
relative dating assuming the oldest layers of rock are at the bottom and the youngest layers are towards the top
precambrian 3 by the period of time "life supposedly appeared from non-living material
paleozoic era 542 mya is the era in which amphibians and reptiles "evolved"
cenozoic era 65 mya was the "supposed" beginning of placental mammals and man
prokaryotes first types of cells evolutionists claim to evolve that lack true nucleus
eukaryotes cells supposedly evolved by endosymbiosis
cambrian explosion fossils of a variety of phyla all fully formed in the bottom layer of the geologic column which causes problems for evolutionists
reproductive isolation populations being isolated due to for example mating calls are different
speciation members of similar populations no longer interbreed to produce fertile offspring within their natural habitat
disruptive selection favors either extreme variation
directional selection favors one extreme variation of a trait
stablizing selection favors average variation individuals
population # of organisms in a specific area
camouflage ability to blend
evolve to go from 1 organism to another
natrual selection mechanism for change in a population
Created by: gholmes
Popular Biology sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards