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Living Things

Living Things. Natural Science. Biodiversity. Biodiversity is the variety of life on the earth Is the result of a slow process called evolution Species change an adapt to the environment Varies tremendously What Factors Can Reduce Biodiversity ? Destruction of habitats Pollution

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Living Things

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  1. Living Things Natural Science

  2. Biodiversity • Biodiversityisthevariety of lifeontheearth • Istheresult of a slowprocesscalledevolution • Specieschangeanadapttotheenvironment • Variestremendously • WhatFactors Can Reduce Biodiversity? • Destruction of habitats • Pollution • Uncontrolledhunting and fishing • Introduction of exoticspecies

  3. Destruction Of Habitats

  4. Pollution

  5. UncontrolledHunting And Fishing

  6. Introduction Of ExoticSpecies

  7. What Do All Living ThingsHave In Common? • Have a similar chemicalcomposition • All living thingsalsocarryoutthreefunctions: • Nutrition • Interactionwiththeenvironment • Reproduction

  8. Living Things Can Be ClassifiedIntoTwoGroups • Autotrophs: • Produce theorganicsubtanceswhichtheyneedfrominorganicsubtanceslikewater and mineral salts • Heterotrophs: • Feedonorganicmatterwhichisalreadyelaborated

  9. Reproduction • TwoTypes Of Reproduction: • Sexual and Asexual • Sexual: • Involves living things of differentsexs, eachoneprovides a sex cellorgamete.Thetwocellsjoin and formthezigote • Asexual: • Involvesone living thing.

  10. What Are Living ThingsMade Up Of? • Are made up of chemicalsubtances:Carbon,Oxygen,Hydrogen and Nitrogen • Inorganicsubtances: • Do notcontaincarbon • Organicsubtanes: • Uniqueto living things • Carbonistheir principal element

  11. What Are Cells? • Cells are thesmallestunit of life • All living things are made up of oneor more cells • CellscarryoutthefunctionsNutrition, Reproduction and Relation • Mostcells are verysmall • Allcells come fromothercells • Basic Types Of Cells: • Prokaryotic • Eukaryotic

  12. END • Natural ScienceUnit 1 – Living Things • Diego Lavín • Javier Ibáñez • Alejandro • Pablo Royuela

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