AP Bio Ch. 38 on Test #3
Matching
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Flowers a. | double fertilization | d. | pistil | b. | endosperm | e. | pollination | c. | polyspermy | f. | inflorescences |
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1.
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an increase in Ca2+ ions in egg cytoplasm prevent multiple sperm from
fertilizing the egg which is called _____________
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2.
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one or multiple fused carpals with one or more ovules
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3.
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ensures endosperm forms only in ovules with fertilized eggs so there is no
wasted energy
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4.
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a showy cluster of flowers; a sunflowers central disc for example
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5.
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develops into food for seed: coconut milk and meat; also put into
cotyledons
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6.
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transfer of pollen from anther to stigma by wind, water, and animals
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Male Gametophyte a. | microsporangia | e. | tube
cell | b. | microsporocytes | f. | pollen grain | c. | microspores | g. | pollen tube | d. | generative
cell |
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7.
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numerous diploid cells in the microsporangium
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8.
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four haploid cells formed after microsporocytes undego meiosis
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9.
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grows from stigma to micropyle so sperm can travel to egg and polar
nuclei
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10.
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formed when microspore undergoes mitosis; will make two sperm by
mitosis
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11.
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formed when microspore undergoes mitosis: will grow the pollen tube
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12.
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a spore cell with one generative cell and one tube cell
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13.
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there are four of these in each anther; known as pollen sacs
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Fruit a. | fruit | d. | multiple fruit | b. | simple
fruit | e. | accessory
fruit | c. | aggregate fruit | f. | pericarp |
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14.
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a ripened ovary which houses and protects seeds
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15.
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develops from tissues other than the ovary; apple developing in
receptacle
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16.
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develops from inflorescence; many carpals from many flowers fuse;
pineapple
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17.
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develops from a single carpal or several fused carpals; pea, lemon,
peanut
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18.
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develops from a single flower that has more than one separate carpal; rasberry,
blackberry, strawberry
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19.
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the thickened wall of the fruit
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Female Gametophyte a. | megasporangium | f. | egg | b. | megasporocyte | g. | synergids | c. | megospore | h. | micropyle | d. | antipodal cells | i. | integuments | e. | polar
nuclei |
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20.
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two layers of tissue that develop into a seed coat
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21.
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a large haploid cell that will divide by mitosis three times to get eight
nuclei
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22.
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a gap in the integument of the seed so a pollen tube can enter
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23.
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a diploid cell that undergoes meiosis to produce a haploid cell: three are
discarded
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24.
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fertilized by one sperm to become a diploid embryo
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25.
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fertilized by one sperm to become a triploid nucleus and will form endosperm
(food)
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26.
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inside the ovule and contains a diploid megasporocyte
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27.
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three cells at opposite end of embryo; opposite end of micropyle
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28.
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two cells that flank the egg and attract and guide the pollen tube
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Plant Embryo Development a. | terminal cell | d. | eudicot | b. | basal cell | e. | monocot | c. | suspensor |
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29.
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a seed with two cotyledons; beans
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30.
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plant zygote divides by mitosis to form two cells; this one develops into a
thread of suspensor cells
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31.
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anchors embryo to parent plant; helps transfer nutrients; pushes embryo into
deeper part of seed
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32.
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a seed with one cotyledon; corn, grass, and wheat
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33.
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plant zygote divides by mitosis to form two cells; this one develops into most
of embryo
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Eudicots a. | epicotyl | d. | radicle | b. | cotyledons | e. | endosperm | c. | hypocotyl | f. | dormancy |
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34.
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portion of embryonic stem below the cotyledon and above the radicle
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35.
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enbryonic root
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36.
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food for embryo; sometimes stored in the cotyledons
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37.
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stored nutrients to supply the growing embryo
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38.
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portion of embryonic stem above the cotyledons and the below first true
leaves
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39.
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seed embryo stops growing and metabolism nearly ceases; dehydrates to 5-15%
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Flower Structure a. | sepals | d. | receptacle | b. | stamens | e. | petals | c. | carpals |
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40.
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end part of stem that houses the flower
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41.
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the female reproductive part of the flower
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42.
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brightly colored tissue that advertises to pollinators
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43.
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tissue that encloses and protects the unopened floral bud: usually
green
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44.
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the male reproductive part of the flower
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Flower Sexual Structures a. | anther | d. | ovule | b. | filament | e. | style | c. | ovary | f. | stigma |
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45.
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top part of stamen which houses the pollen sacs (microsprangia)
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46.
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one or more structures in the ovary that houses the egg
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47.
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the stalk of the stamen
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48.
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the top of the style; it is usually sticky to trap pollen
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49.
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the neck of the carpal between stigma and ovary
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50.
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the base of the carpal that houses ovules
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Seeds a. | inbibition | d. | true leaves | b. | radicle | e. | breaking seed dormancy | c. | shoot tip |
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51.
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the second organ of the seed to emerge
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52.
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the first organ of the seed to emerge
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53.
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uptake of water by the seed due to the low water potential of the seed
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54.
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a lot of rain, intense heat, extended exposure to cold, require light for
germination, pass through animals digestive system
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55.
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sprout above the cotyledon when emerged from soil
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Monocots a. | scutellum | c. | coleorhiza | b. | coleoptile | d. | pericarp |
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56.
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outer covering fused with seed coat
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57.
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a protective sheath that covers the young shoot (growing stem)
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58.
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a specialized cotyledon that absorbs nurtients from the endosperm during
germination
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59.
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a protective sheath that covers the young root
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