Shared Flashcard Set

Details

Chapter
N/a
7
Science
8th Grade
05/24/2010

Additional Science Flashcards

 


 

Cards

Term
Tropism
Definition

The growth response of a plant toward or away

from a stimulus

Term
Hormone
Definition

A chemical in an organism that produces a specific

effect; such as growth.

Term
Auxin
Definition

A plant hormone that speeds up the rate of

growth in plant cells

Term
Photoperiodism
Definition

A plants response to seasonal changes in length

of day & night

Term
Short Day Plant
Definition
A plant that flowerswhen the nights are longer than the plants critical night length
Term

Long Day Plant

Definition
A plant that flowers when the nights are shorter than the plants critical night length
Term
Critical Night Length
Definition
The number of hours of darkness that determines wheter or not a plant will flower.
Supporting users have an ad free experience!