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Lawson Plant Surviva
Plant Survival
Term | Definition |
---|---|
Leaves | Site of photosynthesis, respiration, and transpiration in plants. |
Roots | Help anchor the plant in the ground and absorb water and nutrients from the soil and store extra food for the plants |
Xylem | Found in the stem and transports water from the roots to the leaves and other plant parts |
Phloem | Found in the stem andtransport food made in the leaves to growing parts of the plant. |
Seeds | Have special structures that allow them to be dispersed by wind, water, or animals. |
Flowers | Produce seeds contain both male and female organs needed to reproduce |
Stamen | The male organ of a flower that has an anther on a stalk (filament). |
Anther | Produces the pollen that contains the sperm cells |
Pistil | The female organ of the flower that contains |
Ovary | Contains the ovules where the egg cells are produced |
Stigma | The sticky top where pollen grains land |
Seed | Contains the fertilized egg (embryo) from which new plants are formed. |
Tropism | The growing or moving of a plant's roots, stems or leaves toward or away from a stimulus. |
Gravitropism | The plant grows in response to gravity. Also called geotropism |
Thigmotropism | The plant grows or moves in response to touch |
Hydrotropism | The plant grows or moves in response to water |
Phototropism | The plant grows or moves in response to light |
Stimulus | Any change in an organisms's environment that causes the organism to react (ex. light, temperature, amount of food or water available. |
Response | Action or reaction due to a change in the environment. |