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Study guide
Life Sci - Chapter 12
| Question | Answer |
|---|---|
| What is a plant? | a living organism that produces its own food by photosynthesis |
| Define the use of photosynthesis. | plants use energy from sunlight to make food from carbon dioxide and water |
| The organelle of a plant that provides photosynthesis. | The chloroplast - (green) |
| What does the cuticle do for a plant? | coats the top of the leaves and keeps plants from drying out |
| Sporophyte stage produces spores by means of what type of reproduction? | Asexual reproduction (one parent - spores) |
| Seeds are produced by what stage of plant reproduction? | gametophyte stage (sexual reproduction - seeds) |
| Examples of nonvascular, seedless plants | moss, liverwort, hornwort |
| Examples of vascular, seeded plants | flowers, evergreens, other trees |
| Plants transport water and nutrients in the ___________ (vascular tissue) | xylem |
| Food is transported in the ______________ (vascular tissue) | phloem |
| Mosses use _____________to anchor themselves down. | rhizoids |
| The root system of a fern is called | rhizome |
| The structures of a seed are….. | embryo, cotyledon (stored food), seed coat |
| Nonflowering seed plants are... | gymnosperms |
| Gymnosperms produce | cones |
| The transfer of pollen to cone or flower is called... | pollination |
| Flowering, seeded plants are called…. | angiosperms |
| List the two types of flowering plants. | monocot and dicot |
| What is the cotyledon in a seed? | food for the seed |
| List the functions of the roots. | supply plants with water and dissolved minerals, hold plants securely in soil, store surplus food |
| List the two common root systems in plants | Fibrous roots and tap roots |
| List the functions of stems. | support plant body, transport materials between root system and shoot system, stores energy |
| Explain the difference between herbaceous and woody stems. | herbaceous - soft, thin, flexible(plants) woody - rigid stems made of wood and bark (trees and shrubs) |
| List the functions of leaves. | make food for the plant - gather sunlight |
| What is the cuticle of the leaf used for? | to prevent water loss |
| Explain the difference between a simple and compound leaf. | simple - arrangement of one, compound - multiple leaves |
| Why do plants grow flowers? | to attract insects and birds to help them pollinate |
| What does the sepal do for a flower? | protects the flower bud, holds flower up once bloomed |
| What is the female part of a flower called? | pistil |
| What is the purpose of petals on a flower? | attraction |
| What is the male part of a flower called? | stamen |
| Stigma does what for a flower? | collects pollen grains (because its sticky) |
| List the parts of the pistil and define what they do -stigma | sticky to catch pollen |
| -style | stem of female part |
| - ovary | ovules (eggs) |
| List the parts of the stamen and define what they do -anther | produces pollen |
| - filament | stem of the male part |
Created by:
msparks
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