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Ch. 1 Lesson 1What are
the building blocks of
life?
cell
microscope•tool that makes objects seem larger than they really are
cell•smallest unit of a living thing that can perform all life processes:
1. Get & use energy
2. Grow & develop
3. Get rid of waste
4. Reproduce
5. React to the environment
cell membrane cell’s outer border-
controls whatpasses in &
out of cell
nucleus controls cell’s
activities
cytoplasm
watery gel
chloroplastschloroplasts(only in plants)(only in plants)
uses Sun’s energy
to make sugar & oxygen
cell wallcell wall(only in plants)(only in plants)
outside cell membrane gives extra support
& protection
cell parts & functions
cells
tissues
organs
organ systems
organisms
work together in
work together in
work together in
work together in
cell
What is the smallest unit of a living thing that can perform all
life processes?
microscope•tool that makes objects seem larger than they really are
Get & use energy Grow & develop Get rid of waste
Reproduce React to the environment
What are 5 life processes?
nucleus
What is the control center of
the cell?
cell membrane
What is the outer boundary of the
cell?
cytoplasm
What is the watery gel found
in the cell?
cell wall & chloroplasts
What two cell parts are only found in
plant cells?
tissues
What do cells working together
make?
organs
What do tissues working together
make ?
organ systems
What do organs working together
make ?
organisms
What do organ systems working together make ?
It gets and uses energy, it grows and it reacts to
its environment.
How do you know a cell is a living
thing?
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