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| 14962199459 | Characteristics of the Desert | -Low annual precipitation, scattered unevenly throughout the year, slow plant growth, low species diversity | 0 | |
| 14962219781 | 3 types of deserts | -tropical desert -temperate desert -cold desert (based on temperature) | 1 | |
| 14962255685 | Desert Survival | Plants: - dormancy -deep roots -storing water in leaves Animals- - Hiding in cool burrows - Dormancy | 2 | |
| 14962280271 | Grassland Characteristics | Exist in continent interiors, areas are too moist to be a desert but too dry to be a forest | 3 | |
| 14962294880 | 3 Main types of Grasslands | -Tropical: Savanna, warm temps -Temperate: Cold winters, hot summers, both tall & short grass prairies -Cold (arctic/alpine tundra): plants grow close to conserve heat, short summer, thick furred animals | 4 | |
| 14962341688 | Chaparral Characteristics | dry temperate biome, located in costal regions that border deserts, lots of short plants and animals, thin soil. adapted to occasional fires | 5 | |
| 14962361711 | Forest characteristics | lands dominated by trees | 6 | |
| 14962372116 | 3 types of forests | Tropical, temperate, cold (coniferous and boreal) | 7 | |
| 14962378469 | Tropical Rain Forest | hot, wet biome with year-round humidity; contains Earth's most diverse species of plants and animals. rapid recycling of scarce soil nutrients | 8 | |
| 14962450018 | Harmful Effects of human disruption | -reduces biodiversity -speeds up climate change -changes regional weather patterns | 9 | |
| 14962462126 | Temperate deciduous Forest | cooler temperatures, abundant moisture, broadleaf deciduous trees drop their leaves in autumn. (we live in this biome) | 10 | |
| 14962488095 | Costal Coniferous Forest | aka Temperate Rain Forest, scattered in coastal regions, lots of rainfall and moisture from the fog, evergreen coniferous trees | 11 | |
| 14962751697 | cold (northern) coniferous forest | aka boreal forests or taigas, south of the arctic tundra, cold winters and short summers | 12 | |
| 14962821719 | Aquatic Systems | -saltwater and freshwater life zones -cover almost 3/4 of the earths surface -saltwater covers 71% of earths surface | 13 | |
| 14962914053 | factors that determine aquatic biodiversity | -temperature -dissolved oxygen -availability of food -access to light and nutrients for photosynthesis | 14 | |
| 14968780302 | Salt water ecosystems | -major ecosystem and economic service -irreplaceable -oceans provide more than 1/2 the oxygen we breathe | 15 | |
| 14968800159 | 3 major life zones in the ocean | -costal zone -open sea -ocean bottom | 16 | |
| 14968808252 | open sea zones | euphotic, bathyal, abyssal | 17 | |
| 14968812147 | euphotic zone | -photoplankton -low nutrient levels -high dissolved oxygen levels -upwelling (brings nutrients from below) | 18 | |
| 14968829699 | Bathyal zone | -dim light -zooplankton & small fish - | 19 | |
| 14968835575 | abyssal zone | -dark and cold -deepest -little dissolved oxygen | 20 | |
| 14968846368 | net primary productivity | the rate at which biomass accumulates in an ecosystem | 21 | |
| 14968849262 | NPP in oceans | low (except in upwelling) | 22 | |
| 14968859745 | Estuaries | aquatic zone where the river meets the sea | 23 | |
| 14968881428 | Costal Wetlands | costal land covered with water all or part of the year | 24 | |
| 14968892906 | Seagrass beds | -occur in shallow costal water -host up to 60 species of grasses and plants -support a variety of marine species | 25 | |
| 14968916699 | intertidal zone | area of shore between high and low tides | 26 | |
| 14968925762 | rocky shores | pounded by waves | 27 | |
| 14968930071 | barrier beaches (sandy shores) | organisms burrow, dig, or tunnel in the sand | 28 | |
| 14968937425 | Coral Reefs | One of the most diverse and productive ecosystem -in warm costal waters -tiny animals -tiny animals (polyps) have a mutualistic relationship with the algae -provide a natural barrier to protect coastlines | 29 | |
| 14968977164 | Freshwater ecosystems | lakes, ponds, inland wetlands (all lentic) streams & rives (lotic) | 30 | |
| 14968994839 | Littoral zone (lake) | shallow water near shore where rooted plants grow (turtles, frogs, crayfish) | 31 | |
| 14969015125 | limnetic zone (lake) | -open, sunlight area away from the shore -main photosynthetic zone | 32 | |
| 14969032262 | Profundal Zone (lake) | -deep water too dark for photosynthesis -low oxygen levels | 33 | |
| 14969038348 | benthic zone (lake) | -lake bottom -decomposers -nourished by dead matter | 34 | |
| 14969054283 | Oligotrophic Lake | -low levels of nutrients and low NPP -clear water | 35 | |
| 14969058854 | Eutrophic Lake | -high levels of nutrients -high NPP -shallow murky water | 36 | |
| 14969072742 | Source Zone (rivers) | -shallow & cold -swiftly flowing streams -high dissolved oxygen -nutrients come from organic matter | 37 | |
| 14969087298 | Transition Zone (rivers) | -wider -deeper -warmer -more turbid -less dissolved oxygen | 38 | |
| 14969096044 | Floodplain zone | -wide -deep rivers that flow across broad, flat valleys -higher temps. -less dissolved oxygen -supports algae | 39 | |
| 14971409091 | Hydrologic Cycle | collets, purifies, and distributes earth fixed supply of water |  | 40 |
| 14971420759 | How humans interact with the Hydrologic Cycle | -taking out large amounts of freshwater faster than nature can replace it -clearing vegetation -draining and filling wetlands for farming | 41 | |
| 14971431712 | Carbon cycle | carbon basic building block of carbohydrates, fats, proteins, DNA, and other organic compounds -photosynthesis removes CO2 from the atmosphere -Some CO2 is dissolved in the ocean |  | 42 |
| 14971456930 | Human impact on Carbon Cycle | -added large quantities of CO2 to the atmosphere -clearing tress which reduces photosynthesis that takes extra CO2 from the atmosphere | 43 | |
| 14971469143 | Nitrogen Cycle | The transfer of nitrogen from the atmosphere to the soil, to living organisms, and back to the atmosphere -bacteria converts nitrogen compounds back into nitrogen gas |  | 44 |
| 14971520096 | human impact on the nitrogen cycle | -burning gas and other fuels -removing large amounts of nitrogen from the atmosphere -adding excess nitrates (expected to continue rising) | 45 | |
| 14971543273 | Phosphorous Cycle | Phosphorus cycles through water, the earths crust and living organisms (no atmospheric stage) |  | 46 |
| 14971569588 | Parts of an ecosystem | matter- biosphere, ecosystems, communities, populations, and organisms feeding level (trophic)- producers, or consumers Producers (autotrophs)- make needed nutrients from their environment | 47 | |
| 14971592795 | Consumers (heterotrophs) | cannot make their own food primary- (herbivores) eat plants carnivores - eat other animals omnivores - eat plants & animals decomposers- consumers that release nutrients from wastes or dead plants/animals | 48 | |
| 14971631370 | Where is the energy used stored? | glucose | 49 | |
| 14971684072 | How does energy flow through ecosystems | in food chains and food webs | 50 | |
| 14971711133 | laws of thermodynamics | 1- energy can not be created or destroyed 2- whenever energy is changed from one form to another some energy is lost | 51 | |
| 14971737284 | Pyramid of energy flow | -90% of energy is lost with each transfer -less chemical energy for higher trophic levels | 52 | |
| 14971747880 | gross primary productivity | the rate at which an ecosystems producers convert solar energy to stored chemical energy | 53 | |
| 14971821686 | Which biome contains plants that are adapted to prevent water loss due to the low average rainfall and high temperatures year around? | Desert | 54 | |
| 14971833261 | Which biome is characterized by long dry seasons and is dominated by grasses, shrubs, and grazing animals | savanna | 55 | |
| 14971844803 | Which biome is warm and wet, with little seasonal variation in temp. and frequent precipitation? | Tropical Rainforest | 56 | |
| 14971857573 | What is true about aquatic biomes? | Freshwater biomes are a vital source of drinking water | 57 | |
| 14971875163 | Which biome is best characterized as an area that forms the narrow band along the coast that experiences a range of environmental conditions? | intertidal zone | 58 | |
| 14971881803 | Where is the majority of freshwater found on earth? | in ice caps and glaciers | 59 | |
| 14971897095 | Abiotic/biotic components of a tropical rainforest | abiotic- rainfall, humidity biotic- grasses, trees, animals | 60 | |
| 14971908918 | How does removing tress change climate over time? | by taking away a source of photosynthesis which decreases the amount of CO2 in the air this increasing the climate | 61 | |
| 14971923934 | Why are microbes important? | help maintain ecological balance on Earth, live in humans and other animals to maintain health | 62 | |
| 14971937312 | Why is a vegetarian diet more energy efficient than a meat based diet? | when consuming meat only 10% of the energy is being passed onto that organism in the tropic levels | 63 | |
| 14971950423 | How much energy is transferred from one trophic level to the next? | about 10% | 64 | |
| 14971964755 | What are the 3 most productive ecosystems? | estuaries, swamps, temperate rainforest | 65 | |
| 14972134775 | How does dissolved oxygen get into the water? | 1) diffusion 2) photosynthesis by aquatic plants | 66 |
