Introduction to Plants
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27 terms
Terms | Definitions |
|---|---|
 Characteristics of Plants | * plants are multicellular * they are eukaryotes * membrane- bound organelle * nucleus |
| Plants Life Cycle 1 | Sporophyte- plants make spores that are genetically identical to the parent plant |
| Plants Life Cycle 2 | Gametophyte- plants reproduce gametes Female game-eggs/Male game-sperm |
| New Plant to Repro. | a sperm cell must fuse with, or fertilize an egg. The fertilized egg can grow into a sporophyte |
| Cell Wall | * supports and protects the plant cell * determines size and shape |
| Carbohydrate | the main component of plant wells and walls |
| Vacuole | plant contains the vacuole. If vacuole losses water, the plant begins to wilt. |
| Photosynthesis | the process the plants and other organisms use to convert solar energy to chemical energy / occurs in an organelle called chloroplast |
| Chlorophyll | green pigment that captures energy from sunlight |
| Plants Grouped | 1} nonvascular 2} vascular |
| Vascular System | tube like tissues that transport water, nutrients, and other materials/ allows plants to grow large |
| Nonvascualr Plants | water moves from the environment and throughout the plant by diffusion |
| Vascualr Plants | have a vascular system 1} root system 2} shoot system |
| Root system | made of roots and other underground structures |
| Shoot System | above ground structures ex. stems, leaves, flowers |
| 3 main- Vascular Plants | roots stems leaves |
| Rhizod | nonvascular structure that help mosses attach to surfaces and help plants get water and nutrients |
| Ferns | have roots and rhizomes that help them spread |
| Rhizomes | underground stems from which new leaves and roots grow |
| Seed | a plant embryo enclosed in a protective coating |
| Pollen | tiny structure in which sperm forms |
| Gymhosperms | plants that produce seeds that are not enclosed in a fruit |
| Cyads | produce seeds in a large woody structure called cones that grow in a thick trunk |
| Angiosperms | vascular plants that produce flowers and fruits that surround and protect seeds |
| Speals | cover and protect the flower while it is growing |
| Stamen | male- repro. structure made up of an anther which produces pollen female- pistil is the repro. structure seed which develops in the ovary at the base of the pistil |
| Medicines | modern medicines are derived from chemicals found in the plants |
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