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| Which of the following may contribute to colony collaspe disorder? |
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| Which of the following develops into a seed? |
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| the male part of the flower is a |
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| Which of the following are produced within the anthers? |
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Definition
| The megaspore goes through ___ rounds of mitosis to form the embryo sack |
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| The megaspore eventually divides into how many cells to form the embryo sack prior to fertization? |
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Definition
| the primary function of the endosperm is |
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| pollination occurs when pollen contacts the |
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| fuses with the endosperm mother cell, forming a primary endosperm cell with a single triploid nucleus |
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| in most flowering plants, one sperm nucleus fuses with an egg forming a zygote that develops into an embryo. Another sperm nucleus |
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Definition
| the seed is produced by the development of the |
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| fruit is produced from the development of the |
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| protecting and dispersing seeds |
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| the primary purpose of fruit is |
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| the most critical factor affecting the initiation of seed germination is |
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| the signaling of chemicals produced by one group of cells that affect distant target cells are called |
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Definition
| the resumption of growth after a period of arrested embryonic development is |
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| the following is a condition that might help break the dormancy of some seeds |
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Definition
| which hormone is most involved in apical dominance? |
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| the biological clock for plants is set when ___ absorbs light |
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Definition
| the low temperature of stimulation of flowering seed and germination is called |
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Definition
| Four of the five answers listed below are characteristics of xylem. Select the exception |
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| vascular tissue in the stems arranged in a ring |
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Definition
| Four of the five answers listed below are characteristic of monocots. Select the exception. |
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Definition
| Which gives rise to lateral roots? |
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| Which of the following is in direct contact with the soil into which it is growing? |
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Definition
| Which of the following is a specialized structure associated with the epidermis? |
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| the stalk that supports the individual dicot leaf |
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| cells that function with sieve tubes |
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| The substance that strengthens and waterproofs cell walls is |
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Definition
| Plant tissue noted for photosynthesis, storage, and secretion is |
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| The most common tissue in plants is ____ tissue. |
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| In phloem, organic compounds flow through _____. |
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| both cork and vascular cambium |
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Definition
| In many plant species, older roots and stems thicken by activity at _____. |
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| TCE is an inorganic compound like arsenic, lead and mercury. |
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Definition
| Which statement about trichloroethylene (TCE) is untrue? |
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Definition
| This soil layer is rich with decomposed organic material. |
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Definition
| Which of the following elements required by plants does NOT come directly from the soil? |
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Definition
| Nodules found on the roots of leguminous plants are involved in supplying which element for the plant? |
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Definition
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| is lost through transpiration. |
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Definition
| Most of the water that enters the plant |
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Definition
| Which part of the theory of water transport states that hydrogen bonding allows water molecules to maintain a continuous fluid column as water is pulled from roots to leaves? |
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| negative pressures (tensions). |
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Definition
| Water inside all of the xylem cells is being pulled upward by |
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Definition
| which of the following causes transpiration? |
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Definition
| Movement of soluble organic material through plants is known as |
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| load organic compounds into nearby sieve tubes. |
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Definition
| The role of companion cells in translocation is to |
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| both source-to-sink and pressure flow. |
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Definition
| The movement of materials already in the phloem is described using the term(s) |
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Definition
| The source region in the pressure flow explanation of phloem transport is most often the |
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| The sink region in the pressure flow explanation of phloem transport could be |
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Definition
| Stem cells directly produce adult tissues by the process of |
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Definition
| what type of tissue is blood? |
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Definition
| An extracellular matrix is characteristic of |
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Definition
| fibroblasts are characteristic of what tissue type? |
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Definition
| Dense fibrous tissues that connect muscle to bone are called |
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Definition
| Collagen fibers are characteristic of which tissue? |
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Definition
| Bones are linked together at skeletal joints by |
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| Rapid communication throughout the body is accomplished through |
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| both nervous and endocrine systems |
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Definition
| Integration of body functions is controlled by the |
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Definition
| In a closed circulatory system, most transfers between blood and the cells of other tissues take place across |
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| the right ventricle pumps oxygen poor blood |
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Definition
| Which of the following is true of the pulmonary circuit? |
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| always travels away from the heart |
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Definition
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| The pulmonary artery carries blood away from the |
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| Blood from the body is first received by the heart in the |
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Definition
| Before entering the heart, blood from before entering the heart, blood from the intestines must first pass through the |
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Definition
| Heart excitation originates in the |
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Definition
| Which cell is NOT involved with the defense response? |
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Definition
| Megakaryocytes fragment to produce |
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Definition
| Which of the following blood cells is involved in killing parasitic worms? |
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Definition
| Narrowing of the arterial lumen due to buildup of lipids is |
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Definition
| Areas where lymphocytes congregate as they cleanse the blood of foreign materials are called |
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Definition
| Which of the following is the site where sperm are stored? |
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Term
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Definition
| In the human male, sperm are produced by spermatogenesis occurring in |
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Definition
| Which cells are produced directly by meiosis I? |
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Term
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Definition
| The passageway that transports ova from the ovary into the uterus is known as the |
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Term
| a surge of LH that occurs halfway through the menstrual cycle. |
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Definition
| Ovulation is triggered primarily by |
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Term
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Definition
| The corpus luteum is responsible for producing which of the following hormones? |
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Definition
| The ruptured follicle formed at ovulation becomes a(an) |
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| FSH and LH are secreted by the |
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