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process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches
each side of the equation has the same number of atoms of each element and mass is conserved
a physical dimension of light waves that refers to how much energy the light contains; it determines the brightness of light
strengthening the concentration (as of a solute in a mixture) by removing extraneous material
a building with a roof and sides made of glass, used for growing plants that need warmth and protection
A name for a group of flowering plants whose seed typically has two embryonic leaves or cotyledons.
organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy
loosely arranged photosynthetic cell located between the bundle sheath and the leaf surface
Oblong cells in leaves that are located directly under the upper epidermis and contain chloroplasts
the movement of oxygen into the blood and cells, the movement of carbon dioxide in the reverse direction"
Obtained from the soil. Used to make chlorophyll. Deficiency causes yellow leaves called chlorsis
When water is being taken from the top of the xylem vessels to supply the leaves it reduces the effective pressure at the top of the xylem vessels so water can flow up them
the behaviors and physical characteristics that allow organisms to live successfully in their environments
absorbed and circulated by a plant or other organism so as to be lethal to the pests that feed on it
A waxy covering on the surface of stems and leaves that acts as an adaptation to prevent desiccation in terrestrial plants.
Pore-like openings in leaves that allow gases (CO2 and O2) and water to diffuse in and out of the leaves.
The tightly packed photosynthetic cell found just under the epidermus in many leaves.
a solution of sugars, amino acids and many other substances, found in the vacuoles of plant cells
Sieve Tube Elements
found in phloem; stacked end to end; have holes so materials can get in and out of the phloem
An end wall in a sieve-tube member, which facilitates the flow of phloem sap in angiosperm sieve tubes.
the process of givng off or exhaling water vapor through the skin or mucous membranes
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