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science notes
lesson 1,2,&3
| Term | Definition |
|---|---|
| Autotrophs | can make their own food though photosynthesis |
| multicellular | cells are organized into tissues |
| Eukaryotic | cells have cell walls, chloroplast and a large vacuole |
| cuticle | plants must take in water and their nutrients from their surroundings |
| absorbing | some simply absorb these into their bodies and pass them from cell to cell |
| vascular tissue | though which water, nutrients, and food travels |
| asexually | by way of tubers, runners, and plantlets |
| sexually | fertilization occurs when a egg cell unities with a sperm cell |
| zygote | the fertilized egg is called a zygote like flowers, fruits, and cones |
| vascular and nonvascular | plants can be divided into 2 major groups |
| nonvascular plants | DO NOT have a tubular system(root system) for transporting food and water they grow low to the ground and usually in shady, damp areas |
| vascular plants | have well developed vascular tissue to trans port and move materials throughout the plant. this tissue also provides strength, stability, and support to these plants are able to grow tall |
| sporophyte | stage is when the plants produces spores |
| gametophyte | then this stage produces sperm and egg cells and then the cycle starts all over again |
| photosynthesis | is the process by which plants make food |
| chloroplast | this takes place in the chloroplast inside the cells. |
| chlorophyll | the chlorophyll is inside the chloroplast it absorbs green pigment in the plants that make them green |
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