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121 Cards in this Set
- Front
- Back
Double fertilization results from the union of a sperm and an egg plus the union of the other sperm and the __________.
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Polar Nuclei
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How many nuclei are in a microspore
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1
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How many microspore mother cells are in a microsporangium?
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Many
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What is the name of the largest nucleus in the embryo sac?
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Egg
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How many functional microspores are formed from a microspore mothercell?
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4
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If any whorl is missing, the flower is described as _______.
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Incomplete
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What is the male gametophyte in a flowering plant?
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Pollen tube
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What supplies the food for the developing embryo?
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Endosperm.
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All the stamens collected would make up the ______.
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Androecium.
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How many nuclei are found in a mature embryo sac?
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8
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A microspore develops into a ______.
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Pollen Grain.
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A ripe or mature ovule develops into a _______.
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Seed
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The outer most whorl of a complete flower is the _______.
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Calyx.
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An ovary is located on top of the receptacle. It is described as ______.
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Superior.
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A plant having male and female flowers on separate plants is described as ______.
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Dioecious.
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What part of the flower develops into the fruit?
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Ovary
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Double fertilization results from the union of the sperm and the polar nuclei plus the union of the sperm and the _______.
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Egg
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How many nuclei are in a pollen grain?
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2
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Microspores are formed in a what?
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Microsporangium
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What is the name of the three nuclei in an embryo sac furthest from the micropyle?
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Antipodals
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How many microspores produced from a microspore mothercell die?
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None
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If all 4 whorls are present in a flower, it is described as _____.
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Complete.
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What is the female gametophyte in a flowering plant?
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Embryo Sac
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What supplies food for an embryo to get out of the ground?
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Cotyledons
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All the pistils collectively make up the ________.
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Gynesium.
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All of the sepals together make up the _________.
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Calyx.
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All of the petals together make up the __________.
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Corolla.
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The sepals and the petals collectively make up the _______.
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Perianth.
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If the sepals and petals are identical in appearance, we call them _______.
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Tepals.
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A pollen grain develops from a what?
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Microspore
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A ripened or mature ovary develops into a _______.
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Fruit
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If an ovary is embedded in the receptacle it is described as _______.
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Inferior.
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An inferior ovary would give rise to what type of flower?
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Epigynous
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A superior ovary would give rise to what type of flower?
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Hypogynaus
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A plant having male and female flowers on the same plant is described as _____.
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Monoecious.
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The generative nucleus gives rise to what?
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2 Sperm
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A flower having both stamens and pistils is described as ______.
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Perfect.
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A flower lacking stamens or pistils is described as _______.
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Imperfect.
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In which structure is the sperm produced in a flowering plant?
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Pollen tubes
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The 2 polar nuclei unite with a _______.
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Sperm
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The opening in the ovule through which the pollen tube enters is the _______.
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Micropyle.
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What is the name of the largest nucleus in the embryo sac?
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Egg
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What is the name for the 2 nuclei in the center of the embryo sac?
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Polar Nuclei
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What is the name for the 2 nuclei on either side of the egg?
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Synergids
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What is the name for the tissue surrounding the embryo sac?
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Nucellus.
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What holds the ovule to the ovary?
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Funiculus.
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Each lobe of a compound ovary is called a ______.
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Carpel.
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The space surrounding the ovule in the ovary is called the _______.
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Locule.
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How many megaspore mother cells are in a ovule?
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1
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What does a megaspore mother cell give rise to?
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Megaspores
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What is the N number of a megaspore?
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1N
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What is the N number of a megaspore mother cell?
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2N
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What is the N number of the primary endosperm nucleus?
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3N
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What is the N number of the Zygote?
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2N
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Fertilized egg is called a _______.
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Zygote
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What is the sticky part of the pistil?
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Stigma
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What supports the anther in a flower?
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Filament
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What supports the stigma in a flower?
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Style
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Which part of the stamen produces pollen?
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Anther
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What is the female part of the flower called?
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Pistil
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What is the male part of the flower called?
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Stamen
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If a flower has no stamens, it is described as ______.
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Imperfect.
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If a flower has no pistils, it is described as ______.
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Imperfect.
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If a flower has stems and pistils, it is described as ______.
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Perfect
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What is the only 3N tissue in the embryo sac?
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Endosperm
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When a bean is planted, what part emerges first?
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Hypocotyl.
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Which part of the embryo provides food for the plant to emerge from the soil?
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Cotyledons.
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Which part of the embryo develops into the shoot?
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Plumule or Epicotyl
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A fruit that develops from the ovary only is called a what?
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True Fruit
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A fruit that develops from the ovary and some other associated part is called a _____.
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Accessory fruit.
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What is the bulby part of the stamen called?
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Anther.
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What’s formed when a zygote divides?
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Embryo.
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What do you call a flower that has its parts located above the ovary?
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Epygynous flower
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What do you call a flower that has its parts located below the ovary?
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Hypogynaus flower.
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The union of the egg and sperm is called ______.
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Fertilization
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The outer part of the ovule is called _______.
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Outer Integument
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Which integument surrounds the micropyle?
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Inner integument.
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Pollen sac develops from the what?
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Microsporangium.
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What does a microspore mothercell produce?
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Microspores
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What is the name of the tissue between the embryo sac and the micropyle?
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Nucellus.
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The place where an ovule is attached to the ovary is called the what?
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Placenta
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The transfer of pollen from the stamen to the stigma is called what?
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Pollenation
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When a seed germinates, which part breaks out of the seed coat first?
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Radicle.
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The structure that a flower rests upon is called the what?
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Receptacle
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The male gamete is called a what?
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Sperm
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Which part of the anther is used for food by the developing microspores?
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Tapetum
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When sepals and petals are identical in appearance, we call them _____.
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Tepals
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What is another name for the seed coat?
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Testa
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A circular arrangement of parts is called a ______.
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Whorl
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Which of the following is not a grass?
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Sweet Potatoes, Cassava
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What percent of the world food supply is from grasses?
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75%
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Which is not a major food?
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Citrus, Apples, Turnips
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How many plants supply 95% of the world’s annual food supply?
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11
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Approx. How many known species of plants do we have?
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350,000
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Approx. How many known insect species do we have?
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1 million
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Approx. What percent of our food comes from seed plants?
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99%
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How many plants are widely cultivated in the world for food?
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300
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How many species of plants are used for food throughout the world?
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3,000
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If we did not want more pesticides in our food, we must be willing to:
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Eat more insects
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Which of the following may be found in the foods we eat such as potted meat?
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_____, _____, ____,. All of the above.
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What is the latest population figure for the United States?
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300 million
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The number of new mouths to feed in the world is approx. equal to what? Almost the entire population of _______.
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Mexico
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The public health service of the food and drug administration approved certain defect levels in certain foods with which of the following items in them:
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_____, _______, ______, All of the above.
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In a 3.5 ounce can of mushrooms, it is legal to have:
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20 maggots.
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According to public health service and food and drug administration, what is allowed in 1 large candy bar?
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1 rodent hair
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Approx. 80% of the world’s agricultural effort is directed towards:
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_____, _____, food production.
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What’s the most consumed food in the United States per person?
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Fluid milk and cream
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Which disease destroyed the potato crop in Ireland in 1845?
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Late Blight
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What is the trade name for the micro protein?
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Mycoprotein
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What is the trade name for the micro protein now proved as a food source?
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Corn
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Approx. what percent of water may be found in dog food?
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75%
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What’s the 4th most consumed food in the united states?
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Refined sugar.
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What is the number one crop in the state of Louisiana?
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Pinetrees
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What’s the second most consumed food in the United States?
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Potatoes
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What’s the third most consumed food in the United States?
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Beef
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Honey is actually
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Bee Vomit.
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Organic gardening:
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Cannot feed the world
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How many insects do most Americans eat every year?
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1-2 Pounds
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How many major foods of the world are grasses?
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5
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Which root crop is one of the major foods of the world and is grown in Brazil?
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Cassava
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The world population is increasing as much as: the entire population of the United States how often?
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30 months.
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