Plant Reproduction
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Flowering plants | grow their seeds inside an ovary, which is embedded in a flower.
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| The flower then becomes a ___ containing the seeds. | fruit
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| Examples of flowering plants | most trees, shrubs, vines, flowers, fruits, vegetables, and legumes.
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| Seeds can be dispersed by | wind, water, or animals.
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| The seed’s coat helps protect the ___ from injury and also from drying out. | embryo
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| Many ___ contain both male and female parts needed to produce new flowers. | flowers
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| Flower ___ are often colorful or have a scent to attract insects and other animals. | petals
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| Stamen | The male part of a flower that has an anther on a filament.
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| The ___ produces the pollen that contains the sperm cells. | anther
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| Pistil | The female part of the flower that contains the stigma, style, and ovary
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| Ovary | contains the ovules where the egg cells are produced
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| Stigma | the sticky top of the pistil where pollen grains land
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| Style | a stalk down which the pollen tube grows after pollination has taken place
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| Seed | The ovule that contains the fertilized egg (embryo) from which new plants are formed.
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| A fruit that is formed from the ovary often protects the ___. | seed
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| When seeds are dispersed from the parent plant, they can either lay ___ or they can begin to grow immediately given the right conditions. | dormant
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| Germination | early stage of seed growth.
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| During germination, the ___ begin to grow down, while the ___ and ___ grow up. | roots; stem and leaves
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| Fertilization | occurs when pollen transfers from stamen to the pistil and then enters the ovule.
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| Pollination | occurs when pollen transfers from the stamen to the pistil
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| Once the ovule is ___ it develops into a seed. | fertilized
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| A ___ (fleshy, pod, or shell) then develops to protect the seed. | fruit
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| ___ are structures that contain the young plant surrounded by a protective covering. | seeds
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| Sexual Reproduction | A process of reproduction that requires a sperm cell (in pollen) and an egg cell (in the ovule) to combine to produce a new organism.
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| All flowering plants undergo ___ reproduction. | sexual
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| Asexual Reproduction | A process of reproduction that involves only one parent plant or plant part and produces offspring identical to the parent plant.
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| Many plants can grow new plants ___ from their plant parts. | asexually
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| If a plant is cut or damaged, it can sprout new growth from the ___, ___, or ___ | stems, roots, or leaves.
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| Bulbs or Tubers | are types of underground stems.
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| The “eyes” or ___ of tubers, for example potatoes, grow into roots and shoots to produce a new plant. | buds
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| ___, for example onions, are big buds made of a stem and special types of leaves. | bulbs
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| Runners | are types of stems that run along the ground.
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| New strawberries or some ivy grow from the tips of ___. | runners
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| Many lawn grasses grow from ___. | runners
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| When a piece of cut ___ is planted, roots may form from the cutting, and then a full plant develops. | stem
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| Sugar cane and pineapple are examples of plants grown from ___ cuttings. | stem
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| Some fruit trees and bushes send up “suckers” or new shoots from the ___ | roots
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| Some plants have roots that can produce new plants from root pieces, such as a ___ potato. | sweet
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| Some houseplants produce little plants right on their ___. | leaves
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| The African violets can produce plants from ___ placed on top of soil. | leaves
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Created by:
Ms. Phillips
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