living things an organism is a living thing.. what are living things? all living things have six...
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Living Things
An organism is a living thing.
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What are living things?All living things have six characteristics in common:• are made of cells.• are organized.• grow and develop.• respond to their environment.• reproduce.• use energy.
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Cell
is the basic structural, functional, and biological unit of all known living organisms.
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Nucleus Contains DNA - deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Brain of the cell
nucleus
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Prokaryotic Cells Vs. Eukaryotic Cells
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What’s the difference between prokaryotes and eukaryotes?
• Prokaryotic cells were here first and for billions of years were the only form of life on Earth. All prokaryotic organisms are unicellular
• Eukaryotic cells appeared on earth long after prokaryotic cells but they are much more advanced. Eukaryotic organisms unlike prokaryotic can be unicellular or multicellular.
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Flagella
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Membrane Bound StructureEukaryotic cells contain many membrane-bound organelles. An organelle is an organized and specialized structure within a living cell.
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Cell membrane
regulates not only what enters the cell, but also how much of any given substance comes in.
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Organelles
• is a specialized subunit within a cell that has a specific function.
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Genitics
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Taxonomic classification
Taxonomy is the science of systematically naming and organizing organisms into similar groups.
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Kingdom classification
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• 3.) Why was the Kingdom Monera divided into two separate kingdoms?
• The kingdom Monera was divided because it contained 2 distinct groups, scientists considered these 2 groups as different → animals and plantae. There were such great differences between Archaebacteria (for example, no peptidoglycan in the cell walls, anaerobic) and Eubacteria (for example, peptidoglycan in cell walls, many require oxygen).