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Hierarchy of Biological Organization in General Biology

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Termini in questo insieme (20)

  • What is the Biosphere?
    The Biosphere consists of all life on Earth and the places where life exists.
  • Define Ecosystems.
    Ecosystems include all living things in a particular area plus nonliving components like soil and water.
  • What are Communities in biology?
    Communities include many kinds of plants, animals, fungi, and microorganisms living together, each belonging to a species.
  • What defines a Population?
    Populations consist of individuals of a species living within the bounds of a specific area.
  • What is an Organism?
    An Organism is an individual living entity.
  • What are Organs?
    Organs are body parts made up of multiple tissues that perform specific functions.
  • Define Tissues.
    Tissues are groups of cells that work together, usually visible only with a microscope.
  • What is a Cell?
    A Cell is the fundamental unit of structure and function in living things.
  • What are Organelles?
    Organelles are various functional components present inside cells.
  • Define Molecules in biological context.
    Molecules are chemical structures consisting of two or more atoms bonded together.

  • Emergent Properties

    properties that arise upon combining smaller parts

  • structure and function

    cell is lowest level

    correlated at all levels of biological organization

  • Prokaryotic cell

    -            single-cell microorganisms, bacteria and archaea

    -            No nucleus just DNA and Membrane

    -            smaller

  • Eukaryotic cell

    -            membrane enclosed organelles

    -            Contain DNA containing nucleus, chloroplast

  • DNA

    genetic information encoded in nucleotide sequence of dna

    transmitted heritably from parents to offspring

  • structure of dna

    made up of two long chains called double helix

    each chain made up of chemical bonds called nucleotides ( A, T, C, G0)

  • Gene Expression

    sequence of nucleotide along gene is transcribed into mRNA which is translated into chain of protein blocks called amino acid

  • genome

    genetic instruction that an organism inherits

  • Energy flow

    light come from sun, plants convert to chemical energy, organs use energy to work, heat lost from the ecosytem

  • Chemical circle

    chemical passed to organisms eat, decomposer break down littler to soil, plants take chemical from soil and air