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45 Cards in this Set
- Front
- Back
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This occurs in a green leaf
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Photosythesis
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this occurs in every living cell
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respiration
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how materials move throught a cell
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diffusion
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transportation of water across membranes
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osmosis
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A type of membrane that allows only some materials to go through it
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semipermeable
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the end produect of repiration
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energy
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Makes food particles small enough to diffuse across memebranes
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digestion
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obtaining oxygen for respiration
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breathing
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evaporation of water from leaves
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transpiration
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the function of chlorophyll
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absorbs light
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the force that pushes water upward from the roots through a stem
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root pressure
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another process that causes water to rise through stems
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capillary action
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the type of force that particles of water use to rise up stems
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attractive
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Where does food come from?
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The Sun gives energy to the plants, the cows eat the plants, and we eat the cows!
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Why are leaves like food facotories?
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becuase they take raw materials and make them into food just like food factories
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Why is water important to living things?
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Becuase without water everything would die
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what role does osmosis play in living htings
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It makes it so that we can obsorb nutrients and oxygen. to get into and out of cells.
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How do living things get energy from food?
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The body obsorbs the food and we add oxygen and water to get energy
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Why do we breath?
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so we can get oxygen to our cells and brain so that we cane get rid of waste products like water and carbon dioxide.
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What is respiration?
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Is the process in wich organisms combine oxygen and water to release a chemicall energy. ande water.
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How is respiration similar to burning?
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They both give off heat and energy but respiration is at a cooler temperature, and it can take place in your body and burning can not.
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How do plants and animals depend on each other
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plants give off oxygen and take in carbon dioxide and animals give off carbon dioxide and take in oxygen and we get food from plants.
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How are humans changing the natural enviorments?
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they are poluting the air and changing forests to like shoping centers.
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The element that forms the backbone of the molecules of life is
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Carbon
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Ninety-nine percent of all living matter on Earth is made from ___ of the
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four
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All organic compuounds contain the element
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carbon
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which of the followin is not an organic compound that occurs in living things?
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Water
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A simple sugar is a
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Monosacharide
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Amino acids are the building blocks of
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Proteins
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The only thing that cholesterol is known to do in animals is cause heart diease
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false
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The most common of the organic molecules that are found in lviing things are called
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carbohydrates and proteins
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When water molecules stick to materials that they cannot dissolve, they are demonstarting the property of
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adhesion
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A condesnation reaction, in which a disaccharide is produced from two monosaccharides would also produce
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water
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organisms that produce their own food are known as consumers
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false
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osmosis is a type of diffusion
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True
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Osmosis invloves the movement of
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water molecules
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Fish swimming upstream is most like
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active transport
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Glucose is the only fuel used by the body in respiration
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true or false
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Photosynthesis occurs inside plant organelles called
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chloroplasts
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Animals, plants, and many other organisms use ___ in cellular respiration
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Glucose
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collectively, an organisms processes of energy conversion and of breaking down and producing chemicals are called
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metabolism
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Which of the following is not an organ of excretion in the human body?
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Heart
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Hormones are most involved with
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Regulation
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Monomer
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means one
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polymer
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means many
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