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Ch. 1 Quiz
Populations & Communities
Question | Answer |
---|---|
Name some biotic factors. | Biotic factors are living such as grass, trees, animals, & people. |
What is the place called where an organism lives and that provides the things the organism needs? | habitat |
What is the smallest unit of ecological organization? | a single organism |
What level of organization is all the gray wolves in a forest an example? | population |
What method of determining population size is it when the number of organisms in a small area are counted and then multiplied? | sampling |
Of what is a group of antelope leaving their herd an example? | emigration (*"e" in emigration = "e" in exit) |
What is the largest population that an environment can support called? | carry capacity |
What is an organism's role or how it makes a living called? | niche |
What are the inherited behaviors and physical characteristics of species that allow them to live successfully in their environment called? | adaptations |
What is the struggle between organisms to survive in a habitat with limited resources called? | competition |
A jellyfish paralyzes a tiny fish with is poisonous tentacles. What is the tiny fish called? | prey |
What is a long-term interaction between two different species that benefits at least one of the species called? | symbiosis |
Name four limiting factors. | food, water, space, and weather conditions |
What three items must an organism's habitat provide? | food, water, and shelter |
What is the interaction called in which one organism kills and eats another? | predation |
Are sharks powerful jaws an example of a predator adaptation or prey adaptation? | predator adaptation |
What are all the different populations that live together in an area called? | community |
What is the study of how things interact with each other and their environment called? | ecology |
What is the number of individuals of a population in a specific area called? | population density |
What are the series of changes called that occurs after a disturbance in an existing ecosystem? | secondary succession |
What is the first species to populate an area where primary succession is taking place called? | pioneer species |