Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
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


______ contain the dormant, living embryo of a plant. seeds
______ is the onset of growth and differentiation in plant seeds. germination
Growing roots typically have a root tip where ______ takes place. cell division
The ______ is the primary source of food for seed germination. cotyledon
Seeds are _____ in a variety of ways dispersed
______is a component of the water cycle. It is the process through which water vapor leaves plant cells through the stomata. transpiration
______ is the system of tube-like connected cells that transports water, minerals and sometimes sugar from the roots to all structures of the plant. xylem
______ transports sugar from the photosynthetic cells to other parts of the plant. Phloem
______ are openings on leaves that are controlled by guard cells. stomata
Water in the form of _____, a gas, continually leaves the plant through the stomata. water vapor
Cell walls are made of _____ which is flexible and yet rigid. cellulose
Leaves are the food factories for plants because this is where most of the _____ takes place. photosynthesis
Photosynthesis is the process by which plants make food from water and carbon dioxide in the presence of _____. sunlight
_____ are green organelles that contain chlorophyll, the chemical that uses light to produce sugars in plants. chloroplasts
Seeds are alive in a _____ state until the conditions are right for it to germinate. dormant
Germination required oxygen, water and _____. heat
The _____ protects the seed until germination occurs. seed coat
The cotyledon provides food for the plant and composed of a starchy substance called _____. endosperm
The _____ is the baby plant. embryo
Seeds need _____, warmth and oxygen to germinate. water
_____ are the first structure to emerge during germination. roots
Roots always grow in the direction that _____ pulls. gravity
_____ always grow away from the Earth in an upward fashion. Shoots or stems
The _____ is a mass of cells at the very tip of the root that protects the tip as the roots pushes through the rough soil. root cap
The _____ is just behind the root cap; The cells here are small and busy dividing. root tip
The zone of _____ is the area behind the root tip where the cells are more stretched out and growing longer. elongation
The zone of _____ cells are the same length as in the zone of elongation but these have roots hairs extending from the cells. maturation
_____ is an important pigment that captures light energy and makes it available to the plant to help the plant make food. chlorophyll
The stomata are _____ in a wilted leaf. closed
_____ regulate the amount of water passing out of the plant. guard cells
Created by: jhshwood



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:
restart all cards