cells
What is a organelle
structure in a cell that help a cell to perform its function
Name two early scientists and what they each discovered with the use of their early
microscopes
Leeuwenhoek and hooke
What does the cell membrane control
tructure of the cell membrane controls what can move into and out of a
cell.
What does biotic mean
Something that is considered to be living
What does the muscle tissue do
Moves parts of the body
What is
Multicellular
has lots of different cells
What does magnify mean
to make an object that appears small bigger.
Cells have to be ____ into the cell membrane
Checked
What does abiotic mean
Something that was NEVER living
What does the connective tissue do
Holds the shape
What is
Unicellular
one kind of cell
devices that magnify tiny objects so we can observe them .
What does permeable mean
Only allows certain Materials through
Organisms must ____ for life to continue
Reproduce
What does the nerve tissue do
Carries signals between the brain and other body parts
How are large organisms able to exist?
They would need a larger cell membrane
What are two important points described by the “cell theory”?
All living things are composed of one or more cells all cells arise from preexisting cells through
cell division
What is a example of particals being evenly distributed
A drop of dye into water
What do plants need to survive
Energy / or sunlight
What does the xylam tissue do
Transports water absorbed by the roots
Why do we eat, drink, and breathe?
Individual cells utilize everything that comes into your body
What levels of magnification are possible for light and electron microscopes?
Light microscopes can magnify objects up to about 1,000-2,000 times, while electron
microscopes can magnify them from 100,000 times up to over 1 million times
The cell membrane is ____
Permeable
List five things all living organisms must do or need to survive
1. Need energy to survive
2. Respond and adapt to their environment
3. Reproduce
4. Grow and develop
5. Produce waste products
What does the epithelial tissue do
Protects the outside of the body