Save
Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
share
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

agriscience

TermDefinition
biennial weed a plant that will live for two years
instars stage between insect molts
noxious weed a plant that causes great harm to other organisms by weakening those around it
vector a living organism that transmits or carries a disease organism
nematodes roundworms that may live in soil or water, within insects, or as parasites of plants or animals.
insect a six legged animal with three body segments
chemical control the use of pesticides to reduce pest populations
metamorphosis the process in which an insect goes from egg to adult
causal agent an organism that produces a disease
perennial weed a plant that can live for more than two years and may reproduce by seeds and/or vegetative growth
hyphae threadlike vegetative structures
diseases disorders vectored by insects or arachnids
disease triangle a term applied to the relationship of the host, pathogen, and the environment in the disease developement
bacteria unicellular microscopic plants
annual weed a plant that completes its life cycle in one year
biological control control by natural agents
pesticide resistance the ability of an organism to tolerate a lethal level of pesticide
cultural control to alter the crop environment to prevent or reduce pest damage
arachnid an eight legged animal, such as a spider or mite
viruses disease causing organisms that are composed of nucleic acids surrounded by protein sheaths
eradication total removal or destruction of a pest
key pest a pest that occurs on a regular basis
quarantine the isolation of pest infested material
fungi plants that lack chlorophyll
pathogens organisms that cause disease
Created by: JeffreyJHood
 

 



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