Cricks Bio Ecology Vocabulary
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| In a food chain, what do the arrows indicate the direction of what? | energy
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| In a food chain, how much energy is passed on from one organism to the next when consumed? | ten percent
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| A diagram that shows the interaction between food chains? | food web
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| Grass, shrubs and other plants assume what role in an ecosystem? | producers
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| Animals that eat plants assume what role in an ecosystem? | primary consumers
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| Animals that eat animals that eat plants assume what role in an ecosystem? | secondary consumers
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| When two organisms live together and both benefit from the symbiotic relationship, it is called ___. | mutualism
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| When two organisms live in a symbiotic relationship, and one benefits while the other is unchanged, it is called ___. | commensalism
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| When 2 organisms live in a symbiotic relationship and one organism lives in or on the host, eventually harming it, it is called ___. | parasitism
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| What is the name given to the maximum number of organisms that an ecosystem can hold? | carrying capacity
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| Any factor that is NOT ALIVE and can affect the carrying capacity of an ecosystem is called a __ __. | abiotic factor
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| Sunlight, temperature, moisture, soil conditions and wind are examples of what kind of factor? | abiotic
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| Any factor that is IS ALIVE and can affect the carrying capacity of an ecosystem is called a __ __. | biotic factor
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| In a food web, any organism that interacts with other organisms in the web would be considered a ___ factor in that web. | biotic
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| What do you call a group of organisms so similar that they can reproduce? | species
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| What do you call the members of a single species that live in a certain area? | population
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| Members of different species that live in a certain area are called a _____. | community
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| All of the organisms living in an area PLUS the nonliving environment are called the ___. | Ecosystem
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| A group of ecosystems that share a common environment is called a ____ | biome
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| The main source for energy on Earth | sunlight
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| Organisms that use sunlight or chemicals to make their own food are called ___. | autotrophs
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| Another name for an autotroph is _____ | producer
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| The process of getting energy from the sun and making it usable for cells is called ___. | photosynthesis
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| The process of getting energy from chemical compounds and making it usable for cells is called ___. | chemosynthesis
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| Organisms that eat other organisms to obtain energy are called ___. | heterotrophs
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| Organisms that eat only plants to get energy are called ___. | herbivores
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| Organisms that eat only animals to get energy are called ___. | carnivores
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| Organisms that eat both plants and animals to get energy are called ___. | omnivores
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| Organisms that eat only dead plant and animal remains to get energy are called ___. | detritivores
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| Organisms that break down organic matter get energy are called ___. | decomposers
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| Groups of organisms can represent different levels in food webs and chains. Those levels are called ___ levels. | trophic levels
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| The organisms that ALWAYS represent the lowest trophic level are the ____ organisms | producer
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| A energy pyramid is a model that show the different trophic levels and the amount of ___ on each level | energy
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| Any factor that determines the maximum amount of a species that can survive in an area is called a ___ ___. | limiting factor
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| The maximum population that a species can survive in an area is called the area's _____ _____ | Carrying capacity
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| What do you call a predator who assumes the top level of a food web- has NO predators? | apex predator
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