Living vs. Non-living

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Living vs.Non-living

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Characteristics of Life

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1. Living things are made up of cells

• Cell Basic unit of life
• Unicellular organism made up of one cell
• ex. amoeba
• Multicellular organism made up of more than one
  cell
• ex. human

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2. Living things reproduce.

• Sexual reproduction 2 cells from 2 different
  parents to produce the first cell of a new
  individual
• Asexual Reproduction New organism has single
  parent

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3. Living things are based on a universal genetic
code.

• DNA
• deoxyribonucleic acid.
• Traits are inherited from parents.

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4. Living things grow and develop.

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5. Living things obtain and use materials and
energy.

• Metabolism
• chemical reactions that builds up or breaks down
  materials as an organism carries on life
  processes.

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6. Living things respond to their environment.

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7. Living things maintain a stable internal
environment.

• Homeostasis process of keeping internal
  conditions stable

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8. Taken as a group, living things change over
time.

• Evolution
• Changes that occur in an organism over a long
  period of time, several generations.

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Biology

• BIO- life
• - logy study of

The study of life!
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Ecology

• ECO- environment/ecosystem
• -logy study of

The study of the environment or ecosystem.
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Zoology

• Zoo- animal
• -logy Study of

The study of animals.
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Paleontology

• Paleo- past
• -logy the study of

The study of past life.
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Levelsof Organization

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Molecules

• Groups of atoms
• Smallest unit of most chemical compounds

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Cells

• Smallest functional unit of life

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Groups of Cells

• Tissues
• Organs
• Organ system

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Organism

• Individual living thing

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Population

• Group of organisms of one type that live in the
  same area

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Community

• Populations that live together in a defined area

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Ecosystem

• Community and its non-living surroundings

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Biosphere

• The part of the earth that contains all ecosystems