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pva 7th s10ch
| Question | Answer |
|---|---|
| flowering and flowerless | 2 classes of seed plants |
| daughter cells of haploid structures/ cells that develop into new organisms | spores |
| takes place in cells of most organisms | cellular respiration |
| takes place in cells with chloroplasts | photosynthesis |
| water and carbon dioxide | raw materials needed for photosynthesis |
| fruits that are picked green can ripen with the help of | ethylene |
| photosynthesis releases | oxygen |
| takes place in the mitochondria | cellular respiration |
| alternation of generations | 2 stages of plant life cycle |
| releases energy | cellular respiration |
| as much as 90 percent oxygen in our atmosphere is the result of | photosynthesis |
| plant's epidermis has small openings called | stomata |
| negative response to gravity | stem growing upward |
| is important because it changes food energy into a form of energy that all cells can use | cellular respiration |
| a stimulus can be | internal or external |
| tropisms can be | positive or negative |
| contains reproductive organ of angiosperm | flower |
| stalk part of stamen | filament |
| where pollen grains form | anther |
| grows from a pollen grain to an ovule | pollen tube |