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Bio Unit 4 Sec 3 #1

Bio Unit 4 Sec 3 #1: Lecture 36

QuestionAnswer
The comprehensive science of relationships between organisms and their physical environment Ecology
All organisms within a defined area that belong to the same species Population
A place where an organisms lives Habitat
Various populations that interact in a specific location Community
A community of populations as well as their abiotic environment Ecosystem
All zones (ecosystems) of the earth where living organisms are found Biosphere
Studies that observe and define ecosystems and their members Descriptive Ecology
What factors brought about the mix of plants and animals in a tropical rain forest is an example of _______ Ecology Descriptive
Studies that analyze current ecosystems and develop models predicting the fate of organisms and ecosystems Predictive Ecology
What are the impacts of human activities on the extinction of a species is an example of _______ Ecology Predictive
The number of individuals per unit area or volume Population Density
The pattern of dispersal of individuals Population Distribution
Population Distribution that has no observable pattern of distribution (ex. many plants) Random
Population Distribution where organisms in a population are grouped together (ex. schooling fish or herding animals) Clumped
Population Distribution where organisms are evenly spaced from one another (ex. penguins) Uniform
Abiotic Factors are also known ________ _______ Factors Density Independent
Abiotic/Density Independent factors are _______ organisms that affect population density Non-Living
Abiotic Factors that impact population density include type and amount of ______, light availability, average temp, and temp extremes, _____ type and nutrient availability Precipitation; Soil
Non-living factors that affect population density are called: Abiotic Factors
The physiological ______ of environmental conditions influences population density such as precipitation, light, average and extreme temps, soil type, and nutrient availability Tolerance
Created by: scarangelo
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