hierarchy of organization

• Atoms are the basic unit of matter.
• Atoms are the fundamental unit of all substances.
• Molecules (macro and micro) are combined atoms.
• Molecules are the building blocks of polymers.
• MICRO: macromolecules

  MACRO: carbohydrates, lipids, nucleic acid, proteins
• Intracellular structures are organelles.
• Cells are the basic unit of life.
• Tissues are aggregation of cells that forms a collective task.
• Organs are structural unit of interacting tissues.
• Organ system is the collection of interacting organs.
• Organisms are composed of same species or individuals that consists of cell.
• Population is group of individuals or organisms of the same species at a given area.
• Biological community takes in consideration of all populations in a given area.
• Biological community have a limiting area.
• Ecosystem are communities that are interacting with its physical environment where there is transfer of energy and materials.
• Biosphere is the combination of all ecosystems.
• Species is very specific, more exclusive, and more restrictive.
• Kingdom is very general and more inclusive.
• The 5 Kingdoms of Life are:

  
  

  1. Animalia
  2. Plantae
  3. Fungi
  4. Protista (eukaryotes)
  5. Monera (prokaryotic)
• Taxonomy is grouping according to characteristics or certain rules and usage of taxonomic keys.
• Systematics focuses on evolutionary relationships (phylogeny).