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Science vocab. Ch 4

photosynthesis food-making process in which energy is provided by the sun.
tissue groups of similar cells that perform a specific function in an organism.
chloroplast the structures in which food is made.
vacuole a large storage sac that can expand and shrink like a balloon.
cuticle a waxy, waterproof layer that helps a plant reduce water loss.
vascular tissue a system of tubelike structures inside a plant through which water, minerals, and food move.
fertilization occurs when a sperm cell unites with an egg cell.
zygote a fertilized egg.
nonvascular plant plants that lack a well-developed system of tubes for transporting water and other materials.
vascular plant plants with true vascular tissue.
chlorophyll a green pigment found in the chloroplasts of plants, algae, and some bacteria.
sporophyte a stage where the plant reproduces spores.
gametophyte a stage where the plant produces two kinds of sex cells: sperm cells and egg cells.
transmission the process when objects allow light to pass through them.
reflection the process when light hits a shiny surface the light bounces back.
absorption When dark objects take in light.
accessory pigment a pigment other than chlorophyll found in plant cells.
rhizoid thin,rootlike structures that anchor the moss and absorb and absorb water and nutrients.
bog a type of wetland
peat a blackish brown material made out of mosses compressed into layers.
frond a fern's leaves
Created by: courtneydaly