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Horticulture Unit 3

Loss of water through the leaves or stem Transpiration
Breathing process in which plants and animals consume oxygen and release carbon dioxide Respiration
Droplet of water on the rips of leaves in the morning Guttation
Process by which plants make food Photosynthesis
Plant with two seed leaves Dicot
Plant with one seed leaf Monocot
Seed leaf that forms after germination Cotyledon
Breathing pores on the outside of the stem Lenticels
A pore found in the leaf and stem epidermis that is used for gas exchange Stomata
cells in the leaf skin that allows leaves to breath Guard Cells
Part of the cell that contains chlorophyll Cloroplasts
Green pigment in plants Chlorophyll
Large center vein in a leaf Midrib
Epidermis Skin go the leaf
Vascular bundles Contains the xylem and phloem in monocots
Bud scale scar Where the terminal bud was the previous year
Sepals Protects the floral part
Petals Part of the flower that attracts insects
Stamens Male part of the flower
Anther Produces the pollen
Filament Stalk that supports the anther
Pistil Located in the center of the flower (female )
Stigma sticky part of the pistil that receives the pollen
Style Narrow extension of the pistil that bears the stigma at the apex
Ovary Bottom part of the sigma eggs cells develop into fruit
Ovules Structure that gives rise to and contain the female reproduction cell, after fertilization ovule develops into a seed
Pollen Carried by insects to fertilize plants
Complete flower has both male and female parts
Incomplete flower Has only male or female parts
Flowers Attracts insects for pollination (sex reproduction)
Leaves Function primarily in food manufacture by photosynthesis
Seeds Function propagation of the plant
Stem Main body of the plant, support, passage for food and water
Root Anchor the plant, help in absorption and food absorption
Xylem Vascular bundle that carries water and nutrients from the root to the leaves
Phloem Vessels of the vascular bundle that carry manufactured food to areas of the plant
Adhesion When water clings to the walls of the xylem
Cohesion Water molecules attract to each other
Cambium Produces all new cells, separates Xylem and phloem
Tropism When a plant responses to an environmental stimulus
Phototropism When a plant grows toward the light
Simple leaf One blade
Compound leaf Has leaflets
Glade Large flat part of the leaf
tendril Specialized thread like leaf that attaches climbing plants to a support
Petiole Stalk like structure that attaches the blade to the stem
Absorption Taking in liquid or gas substance
Root hair Absorb moisture and minerals
Osmosis High to low concentration of water even out pressure
Fibrous root Short more compact root
Tap root Longer and fewer roots
Adventitious root Develops in other places other than the knodes
Aerial root The root above the ground
Margin Edges of the plants leafs
Vascular tissue Veins or vascular bundles
Cell membrane Holds and protects the cell
Mitochondria Produces most of the energy for the cell
Vacuole Stores food, water and chemicals
Nucleolus Regulates and controls cell activity
Ribsome Organelle whose function is to assemble the twenty specific amino acids
Created by: sudokken