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Biology chapter 18
| Question | Answer |
|---|---|
| What are the petals correct name? | Corolla |
| What is the correct name of the filament and anther? | Stamens |
| What is the correct name for the ovule ovary styles and stigma? | Carpels |
| What is the correct name for the sepals? | Calyx |
| Charophytes | A group of fresh water green algae |
| Chara are commonly known as ------ because they are encrusted with calcium carbonate deposit | Stonewort |
| Coleochaete | Flat like a pancake. but the body is actually composed of long branched filaments of cells. |
| Chara | The body consists of a single file of very long cells anchored in mud by thin filaments |
| Microphylls | Plants with vascular tissue |
| Plants that have roots, stems and leaves areââ | Vascular plants |
| Megaphylls are | Ferns |
| A seed contains? | An embryo and a protective coat |
| What is the correct name for a flowering plant. (Covered seeds) | Angiosperms |
| Alternation of generations: plants exists in two forms | (2n) diploid sporophyte (n) haploid gametophyte |
| Sporophyte | Production of haploid spores by meiosis |
| Sporangium | A structure that produces haploid cells called spores; it develops into a new organism. |
| Spores | In the plant life cycle a spore undergoes mitosis and becomes a gametophyte |
| Gametophyte | Sperm and egg |
| Plants that receive water and nutrients through diffusion and osmosis directly into the plant body is called what type of plant? | Nonvascular plants |
| Plants that have internal "pipes" that facilitate the movement of water and nutrients throughout the body. Is called what type of plant | Vascular plants |
| What are 3 types of nonvascular plants? | 1. Liverworts 2. Hornworts 3. Mosses |
| What are nonvascular plants collectively called? | Bryophytes |
| True roots, stems and leaves are what type of plant? | Vascular plants |
| Vascular tissue consists of ----- | Xylem |
| What conducts water and minerals up from the roots | Xylem |
| What conducts sucrose from one part of a plant to another? | Phloem |
| The walls of conducting cells in xylem are strengthened by------? | Lignin |
| What is an organic compound that makes them stronger more water proof and resistant to attack by parasites and predators | Lignin |
| First land plants to have vascular tissue | Lycophytes |
| Ferns have ------ called | Megaphylls ( large leaves with branched veins) |
| What are fonds? | Ferns megaphylls |
| What is a pollen grain? | Male gametophyte and produces sperm |
| The female gametophyte which contains the egg is called the----? | Ovule |
| ------ occurs when the pollen lands on the female reproductive structure? | Pollination |
| ------- occurs when the sperm reaches the egg and they combine to form a diploid zygote | Fertilization |
| Ovule and seeds are exposed on the surface of a cone scale. Often refered to as the "naked seed" | Gymnosperm |
| Plants that bear cones containing the reproductive structure of a plant | Conifers |
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Snowdogslol4pawz
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