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Seed Reproduction
Biology (Chapter 24-Plant Reproduction ) Review for Sapulpa High School
| Question | Answer |
|---|---|
| When a pollen grain lands on a stigma, it begins to grow a(an) | pollen tube |
| As it grows, the seedling is nourished by | endosperm |
| An embryo is alive but not growing during | dormancy |
| The process in which stems cut from a parent plant are attached to another plant is called | grafting |
| produces pollen grains in angiosperms | anther |
| flower structure containing one or more ovules | ovary |
| male cone that produces male gametophytes | pollen cone |
| brightly colored part of a flower that attracts insects | petals |
| innermost floral part that produces the female gametophyte | pistal |
| male part of a flower consisting of an anther and a filament | stamen |
| cone that produces female gametophytes | seed cone |
| structure in which the female gametophyte develops | ovule |
| encloses the bud before it opens and protects the developing flower | sepal |
| structure that grows from the pollen grain to the female gametophyte | pollen tube |
| The female gametophyte of a flowering plant is called | egg |
| The process in angiosperms that produces a zygote and an endosperm is called | double fertilization |
| The early stage of growth in which a seed absorbs water, causing the seed coat to crack open is called | germination |
| A single plant can produce many offspring genetically identical to itself in the process of | vegetative reproduction |
| Sticky region at the top of a style | stigma |
| The part of a seed that nourishes the embryo | endosperm |
| The long, thin stalk of a flower that supports the anther | filament |
| In gymnosperms, pollen grains form in | pollen cones |
| In gymnosperms, female gametophyte is produced by | seed cones |
| Strawberry plants send out long trailing stems called | stolons |
| A detached shoot or twig containing buds from a woody plant | scion |
| The process in which lateral buds cut from a parent plant are attached to another plant is called | budding |
| Some plants reproduce vegetatively by producing | plantlets |
| Grafting usually works best when plants are | dormant |
| For a graft to be successful, what part of the two plants must be firmly connected? | vascular cambium |
| The triploid cell that grows into a food-rich tissue in the seed is called the | endosperm |
| A ripened ovary that contains seeds is called a(an) | fruit |
| The early growth stage of a plant embryo is called | germination |
| In a flower’s stamen, the filament is topped by a(an) | anther |
| A sperm nucleus moves toward a flower’s ovary through a long passageway called a | pollen tube |
| ripened ovule | seed |
| a group of petal | corolla |
| movement of seeds from parent plant to another place | dispersal |
| causes of seed dispersal | wind, water, or animals |
| transfer of pollen from anther to the stigma of a flower in seed plants | pollination |
| seed that are dispersed by wind or water are typically | lightweight |
| plantlets are genetically identical to their | parent plants |
| pollination occurs when pollen lands on the | stigma |
| two structures specialized for reproduction in seed plants | cones and flowers |
| in angiosperm that produce male gametophytes are called | anthers |
| in seed plants, the structure that in encloses the male gametophyte and transports it to another plant is called a | pollen |
| the seed leaves of a flowering plant are known as | cotyledons |
| most gymnosperms are pollinated by | wind |
| What 3 kinds of animals pollinate angiosperms? | insects, birds and mammals |
| when a sperm fuses with a egg, this is produced. | zygote |
| The outer layer of the seed that protects the embryo and its food supply. | seed coat |
| two environmental factors that can end seed dormancy. | temperature and moisture |
| 3 crop plants that most of the people in the world depends on for the bulk of their food supply | wheat, corn and rice |
| the food taken from crops such as wheat, rice and corn is stored in their | seeds |
| a long trailing stem that produces roots when it touches the ground | stolon |
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