click below
click below
Normal Size Small Size show me how
Sookdeo ES Ch.6
Biomes
| Question | Answer |
|---|---|
| biome | group of ecosystems that share similar abiotic and biotic conditions |
| climate | average conditions including precipitations and temperature over a long period of time |
| weather | day to day conditions in Earth's atmosphere such as sunny, humid, cold, snowy |
| climatography | a climate diagram used to describe conditions in a biome |
| net primary production | organic matter or biomass that remains after cellular respiration |
| canopy | tall trees forming a dense covering |
| emergent layer | tallest trees making up the top layer of a rainforest |
| undersory | shorter trees and plants in a rainforest |
| epiphyte | plants that grow on other plants instead of soil |
| deciduous | trees that lose their leaves and stop photosynthesis during part of the year |
| estivation | animals that enter a deep sleeplike period of dormancy when conditions are dry |
| coniferous | evergreen trees that produce seed- bearing cones |
| hibernation | deep, sleeplike state that animals enter for most of the winter |
| permafrost | cold climates where the underground soil remains frozen year-round |
| salinity | amount of salt dissolved in water |
| photic zone | uppermost aquatic layer where there is enough sunlight for photosynthesis |
| aphotic zone | no sunlight penetrates and photosynthesis cannot occur |
| benthic zone | the bottom of a body of water |
| littoral zone | shallow near-shore portion of the photic zone |
| limnetic zone | zone farthest from the shore where there are no rooted plants |
| wetland | area of land that are flooded with water at least part of the year |
| flood plain | area nearest a river's course that can be flooded periodically |
| estuary | body of water partly enclosed by land where freshwater meets salt water |
| upwelling | vertical flow of cold, nutrient-rich water towards the surface |