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6 Science Test 1
1.1-1.4
| Question | Answer |
|---|---|
| bladderwort | underwater plant with hollow, bladderlike leaves filled with water which are used to trap insects |
| botanist | a scientist who studies plants |
| bract | colorful leaf surrounding certain flowers such as the dogwood and the poinsettia |
| bulb | underground storehouse made with layers of thick, fleshy leaves which surround a very short stem |
| cellulose | tough, fibrous material used to form the cell walls of plants |
| cereal grass | type of grass that is harvested for the nutrietns in its seeds, or grains. examples include wheat, rice and corn |
| chlorophyll | pigment that gives a plant its green color |
| chloroplasts | "packages" of chlorophyll found in leaf cells |
| cuticle | waxy substance that coats the leaf |
| dormant | a seed that is alive but inactive |
| embryo | part of the seed that is a miniature undeveloped plant |
| fertilization | the process in which an egg stored inside an ovule unites with a sperm cell from a grain of pollen |
| guard cells | structures that allow stomata to open and close |
| epiphyte | a plant that grows in the tops of trees and never touches the ground, such as the vanilla plant and Spanish moss |
| geotropism | a plant's response to gravity |
| leaf | part of the plant where photosynthesis occurs |
| make food for the plant | this is the main the function of the leaf |
| midrib | large vein running up the middle of many leaves |
| ovary | this part of the of the plant develops into the fruit |
| petal | most noticeable, brightly colored part of a flower that helps to attract bees or other creatures. |
| photosynthesis | chemical process by which a plant produces food |
| pitcher plant | bright colors and honey-scented nectar of this plant lure the insects that drown in its leaves |
| pollination | the transfer of pollen from the stamen to the pistil |
| root cap | layer of thick, protective cells at the tip of the root |
| root system | part of the plant that grows below the ground |
| roots | the main function of these is to absorb water and minerals from the ground |
| shoot system | part of the plant that is above the ground |
| starch | a type of sugar stored in the roots, that plants need to live. |
| stomata | pores on the underside of the leaf |
| sundew | sticky, glistening dew drops on this plant are the bait that attracts insects |
| taproot | particularly deep main root |
| tropism | any growth response of a plant to a condition in its environment |
| Venus's-flytrap | plant with hinged leaves that close shut lke the jaws of a steel trap |
| warmth and moisture | two things needed for a seed to sprout |
Created by:
Mrs_CC
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