Chapter14Notes1.docx - Chapter 14 Notes 14-1 Every organism has a habitat and a niche Habitat is all aspects of the area in which an organism lives

Chapter14Notes1.docx - Chapter 14 Notes 14-1 Every organism...

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Chapter 14 Notes 14-1 Every organism has a habitat and a niche. Habitat is all aspects of the area in which an organism lives. biotic factors abiotic factors An ecological niche includes all of the factors that a species needs to survive, stay healthy, and reproduce. food abiotic conditions behavior Species can share habitats and resources. Competition occurs when two species use resources in the same way. Competitive exclusion keeps two species from occupying the same niche. Competitive exclusion has different outcomes. One species is better suited to the niche and the other will either be pushed out or become extinct. The niche will be divided. The two species will further diverge. Ecological equivalents are species that occupy similar niches but live in different geographical regions. 14-2 Organisms interact as individuals and as populations.
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