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Plant Structures
Ch.3 L3
| Question | Answer |
|---|---|
| Stomata | Small opening on the underside of the leaf through which oxygen, water, and carbon dioxide can move |
| Transpiration | The process by which water is lost through a plant’s leaves |
| Embryo | The young organism that develops from a zygote. #2 A developing human during the first eight weeks after fertilization has occurred |
| Germination | The sprouting of the embryo out of a seed; occurs when the embryo resumes its growth following dormancy |
| Flower | The reproductive structure of an angiosperm |
| Pollination | The transfer of pollen from male reproductive structures to female reproductive structures in plants |
| Describe the 3 functions of roots | Roots anchor a plant in the ground, absorb water and minerals from the soil, and sometimes store food |
| Describe the 2 functions of stems | The stem carries substances between the plant’s roots and leaves. The stem also provides support for the plant and holds up the leaves so they are exposed to the sun |
| Describe the function of leaves | Leaves capture the suns energy and carry out the food-making process of photosynthesis |
| Describe the three basic parts of a seed | A seed has three main parts-an embryo, stored food, and a seed coat |
| Three ways a seed can be dispersed | By: animals digestive system, any state of water, and on barblike structures that hook onto clothing |
| Know and be able to label the structures of a flower | A typical flower contains sepals, petals, stamens, and pistils |
| Know what each part of the flower does | Sepals: protect the developing flower and are often in green color Petals: a colorful, leaflike structure of some flowers Stamen: the male reproductive part of a flower Pistil: the female reproductive part of a flower |
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