Traits of Life What makes something alive?

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Traits of LifeWhat makes something alive?

• Describe the features common to all life?

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What makes something alive?

• Reproduces
• Grows
• Develops
• Uses Energy
• Responds to environment
• Adapts
• Made of cells
• Moves

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Reproduction

• Produce next generation of offspring
• Cells- Mitosis, Meiosis
• Individuals
• Asexual one parent
• Sexual two parent

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Growth

• Get bigger
• Grow larger

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Development

• All the changes that occur as a living thing
  grows
• Simple form to complex form
• Changes size and shape
• New structures

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Use Energy

• Energy is the ability to do work
• Energy comes from food
• Cellular respiration is the process used to
  breakdown foods and release energy

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Use Energy

• Producers make food
• Plants, bacteria, some protists
• Consumers eat or absorb food
• Animals, bacteria, protists, fungi

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Respond to Stimuli

• Stimuli Something external or internal that
  cause a response
• Cold shiver
• Hot sweat
• Pressure pleasure/pain
• Sunlight plant growth
• Fear adrenaline

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Adaptations

• Traits that help an organism survive
• When the ecosystem changes over time, so do the
  traits that help the organism survive
• Help an organism get food, shelter, a mate
• Territory, swim, fly

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Made of Cells

• Basic unit of all life
• One celled organism
• Bacteria, protists
• Many celled organism
• Fungi, plants, animals

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Movement

• All life has some type of movement
• Animals move
• Plants move
• Fungi move
• Bacteria move