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Science 7 - Chapt. 9
Chapter 9 - Plants Test Review
| Question | Answer |
|---|---|
| What is botany? | the study of plants |
| What are 3 characteristics of plants? | eukaryotic cells (membrane bound organelles), multicellular, and producers/autotrophs |
| Plants are multicellular. What does this mean? | cells are specialized to perform specific functions for the plant |
| Plants are producers. What are producers? | use an outside source to make food for themselves |
| In what ways does a plant cell differ from and animal cell? | chloroplasts and a cell wall |
| What is the function of the cell wall? | provides support and protection |
| What is the function of the chloroplast? | converts chemical energy into light energy |
| What is another name for "producer"? | autotroph |
| What do Xylem cells do? | move water and minerals UP from the roots |
| What do Phloem cells do? | move sugars from the leaves DOWN to the rest of the plant |
| What is cuticle? | a waxy protective covering on the outside of the plant which slows down evaporation and keeps the plant from losing water |
| What is the cell wall made of? | cellulose |
| What are 3 ways that plant seeds are dispersed (move)? | wind, animals, and water |
| From what other group of organisms did plant evolve? | algae (plant-like protists) |
| What are adaptations? | inherited traits that increase the chance of surviving and reproducing in a certain environment |
| How do plants make food for themselves? | photosynthesis |
| What are the function(s) of a plant's roots? | absorb nutrients and water, hold the plant in place, stores energy |
| What are the function(s) of a plant's stem? | hold the plant upright, provide a transport area between the roots and leaves |
| What are the function(s) of a plant's leaves? | absorb sunlight to make glucose |
| What are the function(s) of a plant's flowers? | reproduction |
| Where are the xylem and phloem cells (vascular tissues) made? | cambium |
| What kinds of advantages did living on land provide to plants? | plenty of sunlight and carbon dioxide for photosynthesis |
| What is the function of vascular tissue? | transports water and nutrients in some plants |
| Instead of phylas, members of the plant kingdom are organized into what kind of groups? | divisions |
| What is the scientific name for red oaks? | Quercus rubra |
| How do seedless reproduce? | spores |
| Seedless plants never have what? | flowers |
| What is another name that scientists often call seedless plants? | bryophytes |
| How do nonvascular plants move materials from cell to cell? | diffusion and osmosis |
| What are rhizoids? | structures that anchor a nonvascular plant to a surface |
| What are some examples of nonvascular plants? | mosses, liverworts, hornworts |
| How do vascular plants move materials from cell to cell? | tubelike structures (xylem and phloem) |
| What are some examples of seedless vascular plants? | ferns, club mosses, horsetails |
| About how many seed plant species are there on Earth? | 300,000 |
| What are gymnosperms? | cone-bearing seed plants |
| What are angiosperms? | flowering seed plants |
| What kind of tissues do all seed plants contain? | vascular |
| What is the function of the stomata (singular is stoma)? | allow carbon dioxide, oxygen, and water vapor to pass through them. |
| What are some examples of gymnosperms? | spruces, pine, redwoods, ginko |
| What are some examples of angiosperms? | tulip, rose, dandelion, grass |
| What is an annual plants? | live one growing season |
| What are biennial plants? | live two growing seasons |
| What are perennial plants? | live for MORE THAN two growing seasons |
| What is a monocot? | seeds have one cotyledon, narrow leaves with parallel veins, flower parts in multiples of 3 |
| What is a dicot? | seeds have two cotyledons, leaves have branched veins, flower parts in multiples of 4 or 5 |
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HOMSSeminar
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