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Ess Envi 7 & 11
Crovato/Impastato
| Question | Answer |
|---|---|
| What are 3 examples of surface water? | lakes, rivers, streams |
| What does potable water mean? | drinkable water |
| What's the largest watershed in the US? | Mississippi River |
| What's an inexpensive solution to providing everyone with more fresh water to use? | water conservation |
| Why are estuaries very productive ecosystems? | because they receive nutrients from rivers and oceans |
| What is pollution discharged from a single source? | point pollution |
| Why do treatment plants add chlorine to the water? | to kill the bacteria and pathogens |
| What are 3 functions of wetlands? | 1) absorb pollutants 2) traps carbon 3) flood control |
| Where is Most of the Earth's freshwater found? | solidified at the North and South Poles |
| What is an example of non-point source pollution? | runoff |
| What factors determine where living things live in ponds and lakes? | temperature, sunlight, oxygen, nutrients |
| What organisms tends to be the base of all aquatic food chains? | phytoplankton |
| What is the amount of dissolved salts in water known as? | salinity |
| What is the process that increases amount of nutrients in the water through human activity, such as waste disposal and land drainage? | artificial eutrophication |
| What is build across rivers to control river flow? | dams |
| What's a hole that is dug or drilled to reach ground water? | well |
| In what zone of water is the water cool and dark? | benthic |
| Why is polluted groundwater hard to clean? | 1) Ground water recharges slowly 2) Water is dispersed through large areas of rock and can cling to rock surfaces |
| What are 2 main freshwater wetlands? | marshes and swamps |
| Where do estuaries receive their nutrients from? | rivers and oceans |
| What is a place where fresh and salt water mix? | estuary |
| What distinguishes nekton from benthos? | one swims freely and the other lives on the sea floor |
| What are 3 threats to coral reefs? | 1) sediment runoff 2) chemical pollutants 3) thermal changes |
| What percentage of ocean pollution is caused from a direct spill of an oil tanker? | 5% |
| How much water does the Ogallala Aquifer supply to the US? | supplies 1/3 of groundwater used in US |
| What are disease causing bacteria, viruses, and parasitic worms that can contaminate a water supply? | pathogens |
| What is the accumulation of pollutants at successive levels of the food chain? | biomagnification |
| What are the free- swimming organisms found in water? | nekton |
| What's an area of land through which water percolated to be stored as groundwater known as? | recharge zone |
| What is the difference between marshes and swamps? | marshes are dominated by woody plants and swamps mainly contain grasses |
| What are 3 major threats to ocean ecosystems? | overfishing, oil spills, and pollution |
| WHich ecosystem has the highest level of salinity? | oceans |
| Where are the majority of marine organisms found? | shallow, coastal waters |
| MOst ocean pollution can be traced to activities on _______ | land |
| What is the introduction of chemical, physical, or biological agents into water that degrades the water quality known as? | water pollution |
| What are three groups of aquatic organisms? | plankton, nekton, and benthos |
| Where are Swamps are commonly found? | flat, poorly drained land |
| Where is the majority of our available fresh water is used? | industry |
| In estuaries, fresh water and salt water mix, forming a(n) ________trap. | nutrient |
| Downstream, a river often widens and flows more ____________. | slowly |
| Fresh water is used for irrigation in __________ worldwide. | agriculture |
| What is a large area of land drained by a river known as? | watershed |
| What is an artificial lake created by building a dam? | reservoir |
| Upstream, a river is usually cold and flows ______ through a shallow river bed. | quickly |
| Barnacles are a type of ____________, or bottom-dwelling organism. | benthos |
| Why have many areas of the world without adequate fresh water become habitable? | because water management projects have diverted water to the area |
| What Act required all tankers in the US waterways be doubled hulled? | The 1990 Oil Pollution Act |
| Where in water is life diverse and abundant due to the presence of sunlight? | photic zones |
| Identify 5 ways the YOU can conserve water in your home. | THINK of 5 ways and be prepared to answer this question on the test |
Created by:
dcrovato
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