Save
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
edit
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

Bio Tri B exam 1

Biology final exam trimester B Part 1

QuestionAnswer
On the Galapagos Islands, Charles Darwin observed somewhat similar species to those on the mainland, with traits that suited their particular environments
The number and location of bones of many fossil vertebrates are similar to living vertebrates. Most biologists explain this fact on the basis of: a common ancestor
Biological fitness is the ability of the individual to: contribute to the gene pool of the next generation
Vestigial structures structures that are part of an organism but no longer used, like a tailbone
Darwin's observation of finches supported the hypothesis that finch species originated from a common ancestor
The three-domain system recognizes fundamental differences between two groups of: prokaryotes
A genus is composed of a number of related species
All organisms in the kingdoms Protista, Plantae, Fungi and Animalia are eukaryotes
abiotic not living
biotic living
An organism's niche habitat, food sources, way of life
When one organism captures and feeds on another organism predation
A condition in the environment that can restrict a population's growth limiting factor
Energy flows in one direction
Nutrients recycle
The amount of living tissue at each trophic level in an ecosystem a biomass pyramid
Process by which bacteria convert nitrogen gas in the air to ammonia nitrogen fixation
Repeated movement of water between Earth's surface and the atmosphere water cycle
a snake that eats a frog that has eaten an insect that fed on a plant is a tertiary consumer
Algae at the beginning of a food chain are producers
organisms that obtain nutrients by breaking down wastes and dead organisms decomposers
Nitrogen fixation is carried out by bacteria
Total variety of living things in the biosphere biodiversity
Created by: Freshmensphs
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