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Understanding Abiotic and Biotic Factors in Ecosystems

This overview defines key concepts in ecology, focusing on abiotic (nonliving) and biotic (living) factors in the environment. It explains the roles of autotrophs (producers), heterotrophs (consumers), and decomposers, highlighting their interactions within ecosystems. Additionally, it explores habitats, the importance of ecology, and relationships such as competition and community dynamics. Understanding these interactions is crucial for studying how organisms satisfy their needs and thrive in their environments.

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Understanding Abiotic and Biotic Factors in Ecosystems

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  1. OBJECTIVE 7.0 DESCRIBE ABIOTIC AND BIOTIC FACTORS IN THE ENVIRONMENT

  2. 1. AUTOTROPHS= ORGANISMS THAT MAKE THEIR OWN FOOD A. PLANTS 2. HETEROTROPHS= ORGANISMS THAT RELY ON AN EXTERNAL SOURCE OF FOOD FROM THE ENVIRONMENT A. HUMANS

  3. 3. LIVING THINGS MEET THEIR NEEDS THROUGH INTERACTIONS WITH THE ENVIRONMENT. A.FOOD NEEDS: -PRODUCER=MAKES OWN FOOD -CONSUMER=EATS FOOD FROM OTHER ORGANISMS -DECOMPOSER=BREAKS DOWN DEAD PLANT AND ANIMAL MATTER -SCAVENGER= EAT DEAD ANIMALS

  4. B. LIVING SPACE: 4. HABITAT=THE PHYSICAL LOCATION WHERE PLANTS AND ANIMALS LIVE 5. ECOLOGY=THE STUDY OF HOW ORGANISMS INTERACT WITH THE ENVIRONMENT AND THE ORGANISMS IN THE ENVIRONMENT 6. BIOTIC=LIVING PARTS OF THE ENVIRONMENT 7. ABIOTIC= NONLIVING PARTS OF THE ENVIRONMENT 8. ECOSYSTEM= A PARTICULAR ENVIRONMENT AND ALL LIVING THINGS THAT ARE SUPPORTED BY IT

  5. C. RELATIONSHIPS: 9. COMPETITION= MORE THAN ONE ORGANISM WANTING THE SAME THING 10. POPULATION=ALL OF ONE SPECIES IN AN AREA 11. COMMUNITY=TWO OR MORE POPULATIONS. 12. NICHE= AN ORGANISM’S ROLE IN THE ECOSYSTEM.

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