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Ch. 1 Quiz

Populations & Communities

QuestionAnswer
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
Created by: RMSScience7