L. 1
What do all organisms that live on Earth have in common?
They are all made of cells.
What is the function of the cell membrane?
The cell membrane allows certain materials to enter and exit the cell.
Plant cells differ from animal cells because plant cells have ________, ________, and a ________
one large vacuole; chloroplasts, and a cell wall
Why are muscle cells long and thin?
so they can contract quickly
A group of organisms that can mate and reproduce offspring that in turn can produce similar offspring are called _____________
The answer is species.
What is the name for the part of the cell that stores water and nutrients?
The answer is vacuole.
Unlike plants, animal cells cannot ____________
The answer is make their own food.
What happens to the cells in your body as you grow?
The number of cells increases
The discovery of cells depended on the discovery of what?
The answer is compound microscope.
What is the job of ribosomes?
Ribosomes make protein for the cell.
What happens when tree leaves change color?
What is the function of white blood cells?
To find and destroy bacteria
Who invented the first compound microscope?
Hans and Zacharias Janssen invented the first compound microscope.
Which organelle is responsible for transporting materials inside a cell?
The answer is Endoplasmic Reticulum.
Photosynthesis is the process in which plant cells ____________________
Convert energy from the sun into sugars
The long, narrow cells that carry messages from one part of the body to another are called what?
Nerve cells
What does the cell theory state?
The cell theory states that all living things are made of cells and only living cells can produce new cells.
All of the tiny parts within a cell are called what?
The answer is organelles.
What are the 4 ingredients necessary for photosynthesis?
Carbon dioxide, water, energy from the sun, chlorophyll
The amoeba's pseudopods help it to do what two things?
move and surround food