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6th Grade Ch 4
Plant Reproduction
| Question | Answer |
|---|---|
| Flowering plants | grow their seeds inside an ovary, which is embedded in a flower. |
| The flower then becomes a ___ containing the seeds. | fruit |
| Examples of flowering plants | most trees, shrubs, vines, flowers, fruits, vegetables, and legumes. |
| Seeds can be dispersed by | wind, water, or animals. |
| The seed’s coat helps protect the ___ from injury and also from drying out. | embryo |
| Many ___ contain both male and female parts needed to produce new flowers. | flowers |
| Flower ___ are often colorful or have a scent to attract insects and other animals. | petals |
| Stamen | The male part of a flower that has an anther on a filament. |
| The ___ produces the pollen that contains the sperm cells. | anther |
| Pistil | The female part of the flower that contains the stigma, style, and ovary |
| Ovary | contains the ovules where the egg cells are produced |
| Stigma | the sticky top of the pistil where pollen grains land |
| Style | a stalk down which the pollen tube grows after pollination has taken place |
| Seed | The ovule that contains the fertilized egg (embryo) from which new plants are formed. |
| A fruit that is formed from the ovary often protects the ___. | seed |
| When seeds are dispersed from the parent plant, they can either lay ___ or they can begin to grow immediately given the right conditions. | dormant |
| Germination | early stage of seed growth. |
| During germination, the ___ begin to grow down, while the ___ and ___ grow up. | roots; stem and leaves |
| Fertilization | occurs when pollen transfers from stamen to the pistil and then enters the ovule. |
| Pollination | occurs when pollen transfers from the stamen to the pistil |
| Once the ovule is ___ it develops into a seed. | fertilized |
| A ___ (fleshy, pod, or shell) then develops to protect the seed. | fruit |
| ___ are structures that contain the young plant surrounded by a protective covering. | seeds |
| 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. |
| All flowering plants undergo ___ reproduction. | sexual |
| Asexual Reproduction | A process of reproduction that involves only one parent plant or plant part and produces offspring identical to the parent plant. |
| Many plants can grow new plants ___ from their plant parts. | asexually |
| If a plant is cut or damaged, it can sprout new growth from the ___, ___, or ___ | stems, roots, or leaves. |
| Bulbs or Tubers | are types of underground stems. |
| The “eyes” or ___ of tubers, for example potatoes, grow into roots and shoots to produce a new plant. | buds |
| ___, for example onions, are big buds made of a stem and special types of leaves. | bulbs |
| Runners | are types of stems that run along the ground. |
| New strawberries or some ivy grow from the tips of ___. | runners |
| Many lawn grasses grow from ___. | runners |
| When a piece of cut ___ is planted, roots may form from the cutting, and then a full plant develops. | stem |
| Sugar cane and pineapple are examples of plants grown from ___ cuttings. | stem |
| Some fruit trees and bushes send up “suckers” or new shoots from the ___ | roots |
| Some plants have roots that can produce new plants from root pieces, such as a ___ potato. | sweet |
| Some houseplants produce little plants right on their ___. | leaves |
| The African violets can produce plants from ___ placed on top of soil. | leaves |
Created by:
Ms. Phillips
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