Populations & Communities
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Name some biotic factors. | Biotic factors are living such as grass, trees, animals, & people.
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| What is the place called where an organism lives and that provides the things the organism needs? | habitat
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| What is the smallest unit of ecological organization? | a single organism
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| What level of organization is all the gray wolves in a forest an example? | population
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| What method of determining population size is it when the number of organisms in a small area are counted and then multiplied? | sampling
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| Of what is a group of antelope leaving their herd an example? | emigration (*"e" in emigration = "e" in exit)
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| What is the largest population that an environment can support called? | carry capacity
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| What is an organism's role or how it makes a living called? | niche
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| What are the inherited behaviors and physical characteristics of species that allow them to live successfully in their environment called? | adaptations
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| What is the struggle between organisms to survive in a habitat with limited resources called? | competition
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| A jellyfish paralyzes a tiny fish with is poisonous tentacles. What is the tiny fish called? | prey
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| What is a long-term interaction between two different species that benefits at least one of the species called? | symbiosis
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| Name four limiting factors. | food, water, space, and weather conditions
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| What three items must an organism's habitat provide? | food, water, and shelter
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| What is the interaction called in which one organism kills and eats another? | predation
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| Are sharks powerful jaws an example of a predator adaptation or prey adaptation? | predator adaptation
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| What are all the different populations that live together in an area called? | community
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| What is the study of how things interact with each other and their environment called? | ecology
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| What is the number of individuals of a population in a specific area called? | population density
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| What are the series of changes called that occurs after a disturbance in an existing ecosystem? | secondary succession
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| What is the first species to populate an area where primary succession is taking place called? | pioneer species
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