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Plants
Plants Ch2
| Question | Answer |
|---|---|
| chlorophyll | A green photosynthetic pigment found in the chloroplasts of plants, algae, and some bacteria. |
| photosynthesis | sun light provides the energy for this food-making proccess |
| tissue | are group of similar cells that perform a specific function in an organism |
| chloroplast | An organelle in the cells of plants and some other organisms that captures energy from sunlight and changes it to an energy form that cells can use in making food. |
| vacuole | is a large storage sac that can expand and shrink |
| cuticle | The waxy, waterproof layer that covers the leaves and stems of the most plants. |
| vascular tissue | a system of tubelike structures inside a plant through which water and minerals, and food move |
| root cap | protects the root from injury as the root grows through the soil |
| cambium | divides to produce new phloem and xylem |
| stoma | the surface layers of the leaf that have small openings, or pores |
| transpiration | water evaporates from plant's leaves |
| embryo | the young plant that develops from the zygote, or fertilized egg |
| germination | occurs when the embryo begins to grow again and pushes out of the seed |
| flower | reproductive structure of an angiosperm |
| pollination | is the transfer of pollen from male reproductive structures to female reproductive structures |
| sepal | when a flower is still a bud enclosed by leaf like structures |
| petal | when the sepals fold back, they reveal the flower's colorful |
| stamen | are the male reproductive parts |
| pistil | female reproductive parts |
| ovary | protects the seeds as they develops |
| L4 sporophyte | stage when the plant produces spores |
| gameotophyte | stage when the plant produces two kinds of sex cells: sperm cells and egg cells |
| annual | flowering plants that complete a life cycle within one growing season |
| biennuals | angiosperms that complete their life cycle in two years |
| perennials | flowering plants that live for more than two years |
| fertilization | the process in sexual reproduction in which an egg cell and a sperm cell join to form a new cell |
| zygote | fertilized egg |
| cone | the reproductive structure of a gymnosperm |
| ovule | a plant structure in see plants that produces the female gametophyte |
| fruit | the ripened ovary and other structures that enclose one or more seeds |
| Lesson | Five |
| Tropism | A plant's growth response toward or away from a stimulus |
| Hormone | a chemical that affects how plant grows and develops |
| Auxin | speeds up the rate at which plant's cells grow and controls a plant's response to light |
| Photoperiodism | a plant's response to seasonal changes in the length of night and day |
| Dormancy | a period of time when an organisms growth activity stops |
Created by:
CIH05
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