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Sci - Living Planet
Unit Living Planet Test
| Question | Answer |
|---|---|
| ecosystem | a community and the abiotic parts of its environment |
| biotic | relating to the living parts of the environment |
| abiotic | relating to the nonliving parts of the environment |
| habitat | the part of an environment in which an organism lives |
| population | organisms of the same species living together in the same environment |
| community | the populations living in the same environment at the same time |
| niche | the role of an organism in an ecosystem |
| biome | a region of the world that is defined by its climate and the unique plants and animals that live there |
| deciduous forest | a biome in which the dominant plants are broad-leaved trees that shed their leaves each fall |
| grassland | a biome where the dominant plants are grasses |
| taiga | a biome where winters are very cold and long and the dominant plants are conifers |
| evaporation | the change of water from liquid water to water vapor |
| condensation | the process by which water vapor changes from a gas to liquid |
| transpiration | the process by which plants lose water to the air |
| water cycle | the movement of water through Earth's ecosystems |
| precipitation | the process by which water returns to Earth's surface, usually as rain or snow |
| carbon cycle | the flow of carbon dioxide and oxygen through Earth's ecosystems |
| nitrogen cycle | the movement of nitrogen through ecosystems |
| reusable resources | resources that can be used again and again |
| renewable resources | resources that can be replaced within a human life span |
| nonrenewable resources | resources that cannot be replaced within a human life span |
| producer | an organism that makes its own food |
| consumer | an organism that eats other organisms |
| decomposer | a type of consumer that gets its food by breaking down animal wastes and remains of dead plants and animals |
| predator | an animal that feeds on other living animals |
| prey | the animals predators eat |
| scavengers | an animal that eats the remains of animals that have died |
| food chain | shows how energy is passed through several organisms |
| food web | shows many more of the feeding relationships in an ecosystem |
| energy pyramid | one way to show how energy is used in an ecosystem; each level has only about 1/10th as much energy as the level below |
| symbiosis | "living together"; It is a relationship between two organisms of different species that benefits one or both of the organisms. |
| parasitism | a symbiotic relationship for one organism where the other organism is harmed |
| mutualism | symbiotic relationship that benefits both organisms involved. |
| commensalism | symbiotic relationship that benefits one organism and doesn't harm or help the other organism. |
| In a parasitic relationship which organism is harmed? | the host |
| continental shelf | the gently sloping part of a continent that is under water and rings each continent |
| continental slope | the edge of a continent that drops steeply down to the deep-ocean floor |
| abyssal plain | the vast floor of the deep oceans |
| mid-ocean ridge | the place where plates of the Earth's crust along the ocean floor are being split apart and molten rock pushes up to form new ocean floor and a mountain range |
| trench | a place where two plates of the Earth's crust hit each other, forming a deep part of the ocean |
| seamount | a steep-sided volcanic mountain under the ocean |
| atoll | a ring of islands around a shallow central lagoon |
| intertidal zone | the area between the high-tide mark and the low-tide mark |
| coral reef | a structure built by living creatures |
| estuary | a place where a freshwater environment and a saltwater environment meet |
| troposphere | the bottom layer of the Earth's atmosphere |
| thermosphere | the upper layer of the atmosphere where temperatures are extremely high |
| mesosphere | the layer of atmosphere where air is thin and most meteors burn up |
| stratosphere | the layer of the atmosphere in which ozone is present |
| air mass | a large body of air that has the same characteristics throughout |
| air pressure | the weight of air pressing down on an area |
| relative humidity | a comparison of the actual amount of moisture in the air to the greatest possible amount that could be in the air at the same temperature and pressure |
| front | the border between two air masses that collide |
| forecast | a prediction of what the weather will be like in the future |
| station model | an arrangement of symbols and numbers that show the weather conditions recorded at a weather station |
| surface map | a map that includes station models and information about fronts and about centers of high pressure and low pressure |
| weather balloon | a balloon released into the atmosphere that carries a package of instruments that records data about temperature, air pressure, and humidity |
| weather map | a map that shows data about recent weather conditions across a large area |
| thunderstorm | a very strong storm with a lot of rain, thunder, and lightning |
| hurricane | a large, spiraling storm system that can be as much as 600 km across |
| tropical storm | the stage of hurricane development when the winds of a tropical depression reach a constant speed of 63 km/hr |
| tornado | an intense windstorm that often forms within a severe thunderstorm |
Created by:
maisey55
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