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Interactions of living things 2

Interactions of living things 2






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    Interactions of living things 2 Interactions of living things 2 Presentation Transcript

    • The Environment 1.) Ecology is the study of the interactions between organisms and their environment.
    • Two Parts  Biotic  Abiotic Living All organisms Nonliving Everything else 6 Kingdoms -animals -plants -fungi -protists -eubacteria -archaebacteria -Temperature -Air -Water -Soil -Light
    • An Organized Environment 2. An individual organism is the basic level of life. 3. A population is a group of organisms of the same species living in a specific area (all of one species). 4. A community is made of all the populations of different species in a given area. (Only all the biotic factors). 5. An ecosystem is made of a community of organisms and its abiotic factors (biotic and abiotic).
    • How do they get their energy? Producers – carryout the process of photosynthesis and make their own food 7. Decomposers – break down the remains of dead organisms to obtain nutrients 8. Consumers – eat other organisms. There are 4 types: 6. A. B. C. D. 9.)A herbivore only eats plants. 10.) A carnivore only eats animals. 11.) An omnivore eats both plants and animals. 12.) A scavenger eats the bodies of dead animals.
    • Environmental Organization Quiz 1. All the biotic and abiotic factors in a ecosystem given area is known as __________. 2. Organisms that only eat animals are carnivores ________. 3. The study of the interactions between organisms and their environment is ecology ________. 4. Organisms that eat both plants and omnivores animals are ________. 5. Organisms that only eat plants are herbivores ________.
    • Limiting Factors PowerPoint    Limiting Factors.ppt "Nature Works“ Website GREAT review video http://www.youtube.com/watc h?v= Q7htrA8JVrg http://www.nhptv.org/natureworks/nw ep12a .htm
    • The Food Chain 13. The food chain is a representation of how energy flows from one organism to the next. The arrows represent the flow of energy. They do not represent what eats what.
    • The Food Web 14. The food web is a representation of overlapping food chains.
    • F O O D C H A I N S
    • Energy Pyramids #15. An energy pyramid is a representation of how energy is consumed as it moves through the food chain or food web. As you move up the pyramid, a smaller amount of energy is transferred. The largest part of energy is located at the base of the pyramid with the producers.
    • Where do we belong? #16a An organism’s habitat is the environment in which it lives. #16b An organism’s way of life or role in the ecosystem is its niche. It includes the organism’s habitat, food, predators and competition.
    • Types of Interactions #17 Predators/Prey 1. Prey is the organism that is eaten. (fish) 2. The predator is the organism that eats the prey. (alligator) Many times the predator becomes the prey and the prey becomes the predator. Think back to the food web for examples.
    • #18 Symbiosis (ppt) is a close, long-term association between two or more organisms. There are three types of symbiosis: 1. Mutualism is when both organisms lichen benefit from the association. 2. Commensalism is when one organism benefits and the other is unaffected. 3. shark with remora Parasitism is when one organism is helped and the other is harmed. flea