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chapter 6
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| Term | Definition |
|---|---|
| biome | is a group of ecosystems that share similar abiotic and biotic conditions |
| climate | describes the average conditions including temperature and precipitation, over long periods in a given area |
| weather | the day to day conditions in Earth's atmosphere like sunny and humid |
| climatographs | to describe the conditions in a biome |
| net primary production | is the organic matter, or biomass, that remains after cellular respiration |
| canopy | tall trees from a dense covering called the |
| emergent layer | the tallest trees pop through the canopy and make up the top layer of the rain forest, know as the |
| understory | shorter trees and plants that make up the |
| epiphytes | are plants that grow on other plants instead of in soil |
| deciduous | trees lose their leaves and stop photosynthesis during part of the year |
| estivation | when conditions are dry some animals enter a deep sleeplike period of dormancy called |
| coniferous | trees that produce seed -bearing cones |
| hibernation | is a deep sleeplike state that an animal enters for most of the winter |
| permafrost | because of the cold climate underground soil remains frozen year round and is called |
| salinity | measures the amount of salt dissolved in water |
| photic zone | where there is enough sunlight for photosyntge sis is called |
| aphotic zone | below the photic zone is the |
| benthic zone | the very bottom of a body of water is called the |
| littoral zone | the shallow near shore portion of the photic zone is name the |
| limnetic zone | is farther from the shore where there are no rooted plants |
| wetlands | are areas of land that are flooded with water at least part of the year |
| flooded plain | areas nearest a rivers course that are flooded periodically are said to be within the rivers flood plain |
| estuaries | are bodies of water, partly enclosed by land that occur where fresh water from land drainage meets the water of an ocean or inland sea |
| upwelling | surface winds and heating creates vertical currents in seawater that move nutrients and oxygen thought the oceans layers |