The 8 Features of Living Things October 5 & 6. 1. Living things are made of cells. cell is basic...
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Transcript of The 8 Features of Living Things October 5 & 6. 1. Living things are made of cells. cell is basic...
![Page 1: The 8 Features of Living Things October 5 & 6. 1. Living things are made of cells. cell is basic unit of life. unicellular and mulitcellular organisms.](https://reader030.fdocuments.in/reader030/viewer/2022032708/56649e7e5503460f94b811b0/html5/thumbnails/1.jpg)
The 8 Features of Living Things
The 8 Features of Living Things
October 5 & 6 October 5 & 6
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1. Living things are made of cells.1. Living things are made of cells.• cell is basic unit of life.
• unicellular and mulitcellular organisms
• ex. humans, bacteria
• cell is basic unit of life.
• unicellular and mulitcellular organisms
• ex. humans, bacteria
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2. Living things reproduce2. Living things reproduce• sexual or asexual reproduction
• ex. mammals, amoeba
• sexual or asexual reproduction
• ex. mammals, amoeba
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3. Living things grow 3. Living things grow
• increase in SIZE
• ex. Humans, dogs, elephants
• increase in SIZE
• ex. Humans, dogs, elephants
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4. Living things develop 4. Living things develop
• change in FORM
• ex. Caterpillar into butterfly
infant into adult
• change in FORM
• ex. Caterpillar into butterfly
infant into adult
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5. Living things need food.5. Living things need food.
• consumer
• producers
• ex. plants, animals
• consumer
• producers
• ex. plants, animals
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6. Living things use energy6. Living things use energy
• obtain energy(ability to do work) from food
• ex. process of cellular respiration
• obtain energy(ability to do work) from food
• ex. process of cellular respiration
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7. Living things respond7. Living things respond
• Respond to changes in the environment
• An individual responds to a stimulus
• ex. cold environment causes shivering– Hot causes sweating– Pupils dilate in the shade & constrict in the sun.
• Respond to changes in the environment
• An individual responds to a stimulus
• ex. cold environment causes shivering– Hot causes sweating– Pupils dilate in the shade & constrict in the sun.
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8. Living things are adapted to their environment
8. Living things are adapted to their environment• adaptation enables living things to survive in their
environment• Long-term change over a species
• ex. white polar bears blending in with the snow– Dandelions spread their seeds in the wind– Animals with bright coloring; frogs, snakes,
• adaptation enables living things to survive in their environment
• Long-term change over a species
• ex. white polar bears blending in with the snow– Dandelions spread their seeds in the wind– Animals with bright coloring; frogs, snakes,
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Levels of Biological OrganizationLevels of Biological Organization
1. Organism• An individual living system• Examples:
• Animals, plants, fungus,• micro-organisms (protists or bacteria)
1. Organism• An individual living system• Examples:
• Animals, plants, fungus,• micro-organisms (protists or bacteria)
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• Example: Human• Example: Human
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2. Organ Systems2. Organ Systems
• Collection of organs that work together to perform a specific function– Examples of
systems:• nervous system &• digestive system
• Collection of organs that work together to perform a specific function– Examples of
systems:• nervous system &• digestive system
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3. Organ3. Organ
• Collection of tissues that perform a specific function– Examples:
• skin, lungs, stomach
• Collection of tissues that perform a specific function– Examples:
• skin, lungs, stomach
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4. Tissue4. Tissue
• A collection of cells that perform a similar function.
• A collection of cells that perform a similar function.
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5. Cells5. Cells
• Basic unit of life– Unicellular vs. multicellular
• (bacteria vs. humans)
• Basic unit of life– Unicellular vs. multicellular
• (bacteria vs. humans)
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The Discovery of the CellThe Discovery of the Cell
• Robert Hooke – 1665 – 1st viewed cork
cells using an early microscope
– He saw tiny chambers and called them “cells”.
• Robert Hooke – 1665 – 1st viewed cork
cells using an early microscope
– He saw tiny chambers and called them “cells”.
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1. ALL living things are composed of cells.1. ALL living things are composed of cells.
MushroomE. coli
The Cell Theory:
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Amoeba
Daisy
Tiger
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2. Cells are the basic units ofstructure and function in living things.
2. Cells are the basic units ofstructure and function in living things.Organism
Organ System
Organ
Tissue
Cells
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3. New cells are formed from existing cells.