chapter 21 vocab Word Scramble
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Term | Definition |
aphotic zone | the deeper part of the ocean where there is so little light that plants cannot carry out photosynthesis |
benthic zone | the bottom region of oceans and bodies of freshwater |
biome | a large region characterized by a specific type of climate and certain types of plant and animal communities |
canopy | the layer of treetops that shade the forest floor |
chaparrel | a type of vegetation that includes broad leafed evergreen shrubs and that is located in areas with hot dry summers and mild wet winters |
epiphyte | a plant that uses another plant for support but nor for nourishment |
deciduous tree | a tree that sheds and regrows its leaves in response to seasonal changes |
desert | a region that has little or no vegetation long periods of no rain and extreme temperatures usually found in warmer climates |
estuary | an area where freshwater from rivers mixes with salt water from the ocean; the part of the river were the tides meet the river current |
freshwater wetland | an area of land that is covered in freshwater for at least part of each year |
intertidal zone | an area along ocean shorelines that lies between low and high water lines |
neritic zone | a shallow marine environment that is near the shore or over the contenential shelf and that is rich in minerals and nutrients produced by biotic activity |
oceanic zone | the regions of the open sea that lies beyond and between the contenential shelves |
oligotrophic lake | a lake that lacks organic nutrients and as a result contains high levels of dissolved oxygen in its lower layer |
permafrost | in arctic regions the permanently frozen layer of soil and subsoil |
pelagic zone | the upper central or open region of a body of water |
photic zone | an area of an aquatic system that receives enough light for photosynthesis to occur |
plankton | the mass of mostly microscopic organisms that floaat or drift freely in the waters of aquatic (freshwater and marine) environments |
taiga | a region of evergreen coniferous forest below the arctic and subarctic tundra regions |
temperature grasslands | a region that has cold winters and rainfall that is intermediate between that of a forest and a desert |
savanna | a plain full of grasses and scatered trees and shrubs; found in tropical and subtropic habitats and mainly in regions with dry climates such as east africa |
coniferous tree | a tree belonging to a group of tree species that bear their seeds in cones and tend to be evergreen |
eutrophic lake | a lake that contains a large amount of decaying organic matter and lacks oxygen as a result |
tropical forest | a region of forest or jungle that is located near the equator and that is characterized by large amounts of rain and little variation in temperature |
tundra | a treeless plain that is located in the arctic or antarctic and that is characterized by very low winter temperatures, short cool summers and vegetation that consists of grasses likens and perennial herbs |
temperature deciduous forest | a region of forest that has pronounced seasons moderate temperatures and moderate precipitation; characterized by trees that shed their leaves in the fall |
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campbellm19
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