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bio exams
| Question | Answer |
|---|---|
| How did the Himalaya Mountains form? | colliding tectonic plates |
| Which of the following are producers of oxygen? | plants |
| The ozone layer is located in the | stratosphere |
| The boundary between warm and cold water in an ocean or lake is | thermocline |
| The transfer of energy through space is? | radiation |
| A fault is a break in the Earths | crust |
| The part of the Earth that contains the air we breath is called the? | atmosphere |
| Volcanoes occur at tectonic plate boundries that are | colliding and seperating from one another. |
| The most abundant gas in Earths atmosphere is? | nitrogen |
| A volcano is a mountain built from? | magma |
| change in the genetic characteristics in a population from one generation to the next | evolution |
| process that causes the characteristics in a population to change in a way controlled by humans | artificial selection |
| trait that increases an organisms chance of survival | adaptation |
| trait unintentionally selected by humans | resistance |
| process that causes the characteristics of a population to change without human control | natural selection |
| What is a vertebrates | frogs |
| Which invertebrates are generally small, allowing them to live on little food and to hide from enemies? | insects |
| What is an abiotic factor in an ecosystem | water |
| the place that conatains everythingan organism needs is its | habitat |
| The initial source of food in most land ecosystem is | plants |
| During the_period humans altered their habitats | industrial revolution |
| The_was not a direct result of the industrial revolution | overhunting large mammals |
| in which country is the population likely to be increasing most rapidly. | kenya |
| Using scientific information from chemistry and biology to devise a plan to clean up a lake and make it healthy again describes | environmental science |
| _is a biodegradable material that becomes a pollutant if allowed to accumalate more rapidly than it can decompose | newspaper |
| Which country is most likely to have either a stabilize or a slowly growing population | canada |
| According to the law of supply amd demand, what would occur if the supply of oil declined and the demand remained the same? | oil prices would increase |
| Which of the following is a developing nation? | Ethiopia |
| A resident of_ is likely to leave the largest ecological footprint? | the United States |
| Most of todays environmental problem began during which periods in human history? | industrial revolution |
| If you visited a sacanna you would likely see | large herds of grazing animals, such as rhinos, gazelles, and giraffes. |
| animals that live in the desert are | nocturnal |
| deserts are | often formed on the dry sides of mountain ranges. |
| the tundra | has a layer of soil that is permantly frozen beneath the top soil |
| Taiga is | a forest biome dominated by coniferous trees |
| Which of the following adaptations are used by animals of the artic tundra | rodent burrow underground for winter protection |
| the distance north or south of the equater as measured in degrees is called | latitude |
| the main factor that determines what type of plants grow in a biome is | temperature and altitude |
| biomes with higher temperature and less precipitation tend to have | shorter and denser vegetation |
| the deforsation of the rain forests may cause climate change which in turn may effect | flooding |
| What kind of natural disaster helps some forest communities by allowing some trees to release their seeds, by clearing away deadwood and by encouraging new growth? | fire |
| Which of the following are photosynthetic oranisms? | freshwater algea |
| What term is used to refer to the many feeding relationships that are possible in an ecosystem? | food web |
| What type of vegetation would you excpect to find on an abandoned farm that has remained undisturbed for 150 years? | tall mature oak trees. |
| Which of the following plants is likely to be a pioneer species | shrubs |
| which of the following does not conatin carbon from the bodies of plants and animals that died million of years ago? | phosphate salts |
| Which gas makes up 78 percent of our atmosphere but can be used by plants only when transformed by bacteria first? | nitrogen |
| Which organism is likely to be in the bottom trophic level of a food chain? | algae |
| herbavores | eat only producers |
| Bacteria and fungi are examples of a group of consumers call | decomposers |
| A model of a dinosaur is an example of a | physical model |
| The average mass of a wolf in a pack of wolves is an example of | mean |
| the chance that an earthqauake will occur in your town during the year is an example of | risk |
| one type of graph that is useful for organizing and comparing experimental data for several things in one graph | bar |
| Good scientist demonstrate the habit of mind called_ when they do not believe everything they are told | skepticism |
| the first step in the decision making model is to | gather info |
| can explain an observation and predict what might happened in the future | theory |
| The chance that an event will happen is known as | probability |
| the group of individuals used to represent the population is called the | sample |
| numaric information is | data |
| ` |
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