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biology voc

biology vocabulary chapter 27

TermDefinition
Germination A plant embryo that resumes it's growth in a process.
Perennial A plant that lives for several years.
Annual Is a plant that completes it's life cycle and dies within one growing season.
Biennial Is a flowing plant that takes two growing seasons to complete it's life cycle.
Primarily Growth Growth that increases the length or height of a plant.
Secondary Growth Growth that increases the width of stems and roots.
Apical Meristems Are located at the tips of stems and roots, producing primary growth through cell division.
Cork Cambium Lies within the bark and produces cork cells.
Vascular Cambium The meristem that lies just under the bark.
Annual Ring Layer of the secondary xylem formed each year.
Mineral Nutrients Needed by plants in small amounts.
Auxin A chemical that causes a stem to bend towards light.
Hormone A chemical that is produced in one part of an organism and transported to another part where it causes a response.
Apical Dominance The inhibition of the growth of buds along a stem by the apical stem.
Tropism Is a response in which a plant grows either toward or away from a stimulus.
Photoperiodism The response of a plant to the length of days an nights.
Dormancy Condition in a inactive seed or plant.
Created by: emmaley
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