Prev
Next
Tree or shrub that remains green all year
Substance in green plants that provides them their color
Science and art of farming
Process by which some bacteria convert nitrates into atmospheric nitrogen
Organism that feeds and lives on another organism, called a host
Woody vascular tissue that transports water and minerals from the roots of plants to the leaves
Growing of plants without soil by using water containing the needed nutrients
Simple organisms with chlorophyll that are the chief aquatic plant life
Green, nonflowering plant with roots, stems, and fronds, reproducing by spores instead of by seeds
Part of the plant that comes from the fertilized flower
Reproductive body formed by fungi and ferns
Fungus that grows on some foods if left too long in a warm, moist place
Loose layer of leaves, straw, manure, etc., spread on the ground around trees and plants to prevent evaporation of moisture from the soil
Pollen-bearing part of the flower's stamen, a term that with the alteration of one letter becomes a word for the 'horn of an animal'
Emission of light by living organisms
Male sex cells in plants
Pores in leaves through which water escapes
Stiffness of plant cells due to the presence of water
Layer of the tree where growth takes place, just under the bark
Plant hormone regulating growth and develpment and named from the Greek word meaning 'to grow'
Directional growth movement of a plant in response to an external stimulus, especially light
Mixture of roots and decayed organic matter usually found in topsoil
Method of plant propagation in which tissue is transplanted from one plant into a second plant called the stock
Tubelike plant tissue that carries food down the plant