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Biology 2 final exam
first semester vocab final review
| Question | Answer |
|---|---|
| area on a plant where growth takes place | apical meristem |
| plant gets wider as it grows | secondary growth |
| where plant stores and uses sugars | sink |
| nutrients that the plant uses most | macronutrients |
| large flat portion of the leaf | blade |
| when veins on a leaf run next t each other in a straight line | parallel venation |
| lighter wood surrounding darker wood in a stem | sapwood |
| explains the movement of sugars in the phloem | pressure flow hypothesis |
| loss of water through the leaves of plants | transpiration |
| all the spores are the same type | homospory |
| when a plant shuts down its metabolic processes for a time | dormancy |
| male reproductive structure on a flower | stamen |
| structure that protects the seed | seed coat |
| method of asexual reproduction when one plant is cut into another plant and grown | grafting |
| swollen structure at the base of a flower | receptacle |
| female reproductive structure on a flower | pistil |
| sticky end of the pistil | stigma |
| stigma is supported by | style |
| tempature stimulation of growth for flowers | vernalization |
| movment of a plant based on its response to touch | thigmonastic movement |
| requires long nights in order for the flower to bloom | short day plants |
| only plant horomone that is in the gaseous state of matter | ethylene |
| response to the length of days and nights | photoperiodism |
| when the flowering stem rapidly elongates | bolting |
| requires short nights in order for flower to bloom | long day plants |
| horomones that reduce the growth of a plant | growth retardant |
| plants that take 2 years to produce flowers and seeds | biennial |
| movement of leaves or flowers in the path of the sun | solar tracking |