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The Hierarchy or Levels of Biological Organization.

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Presentation on theme: "The Hierarchy or Levels of Biological Organization."— Presentation transcript:

1 The Hierarchy or Levels of Biological Organization

2 Subatomic (particle) units of matter below the size of an atom

3 Atom basic unit of mattermatter

4 Molecule electrically neutral group of two or more atoms held together by covalent chemical bonds (Compound- pure chemical substance consisting of two or more different chemical elements) Caffeine

5 Macromolecule very large molecule, composed of hundreds or thousands of atoms DNA or protein, esp. a polymer,

6 Organelle Specialized part of a cell having some specific function

7 Cells Basic unit of life

8 Tissue a group of cells that perform a similar function

9 Organs a collection of tissues joined as unit to serve a common function;

10 Organ Systems is a group of organs that work together to perform a certain task.

11 Organism A single individual

12 Population A group of organisms of the same type (species) living in the same area.

13 Community Populations that live together in a given area. (Human population, House Elf population, Bacteria population) Pretend living thing! Bacteria (That’s too small to see.)

14 Ecosystem Communities and the nonliving surroundings. (Urban Ecosystem)

15 Biome A major regional or global biotic community Deciduous Forest of England

16 Biosphere All of the land, water and air (biomes) where organisms can live. Hogwarts is around the other side.

17 Earth Planets Solar Systems Galaxies Universe

18 Realm of Ecology


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