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

Sci. sec.3

Seed plants (chapter 14)

QuestionAnswer
What is the difference between an angiosperm and a gymnosperm? Gymnosperm: don't have flowers or fruits. Angiosperms: have flowers and have a fruit to protect their seed.
Seed plants that do not have seeds or fruits are called _________. Gymnosperms
Gymnosperm seeds are usually protected by a _____________. Cone
The most economically important and largest group of gymnosperms is the ___________________. Conifers
Three things that conifers are used for Building materials, cancer drugs, and gardens and parks.
Most _____________ are evergreens. Conifers
Group of gymnosperms that are shrubs that grow in dry areas. Gnetophytes
Group of gymnosperms with only one living species. Ginkgoes
Gymnosperms that grow in the tropics. Cycads
During the pine life cycle, sex cells are produced in the _____________. Cone
The male ____________ of gymnosperms are found in pollen. Gametophyte
Pollen is carried from the male cone to the female cone by the ___________. Wind
Some pine cones release seeds only during _____________. Forest Fires
The transfer of pollen from the male reproductive structure to the female reproductive structure of the seed is called _______________. Pollination
About how many species of angiosperms can be found today? At least 235,000
How are angiosperm fruits and seeds transported to new areas? Wind, eaten disposed seeds, burs stick on animal fur.
List three ways people use angiosperms. Major food crops, such as corn, wheat, and rice. Cotton for clothes. Medicine, and perfume oils.
Created by: Chapman33
Popular Earth Science 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