A ______ is flexible covering that protects the inside of a cell from the environment outside the cell.
What is cell membrane.
This is NOT a necessary characteristic of a living thing?
What is eats food to get energy. Examples are fire and plants.
True or false... Cells come in different shapes and sizes.
What is true.
The cell theory states that all cells come from where?
What are cells that already exist.
This is a membrane-bound organelle that uses light energy and makes food.
What is chloroplast.
This is a living thing that is made up of only one cell.
What is a unicellular organism.
Animals are multicellular.
What is true.
The smallest unit of life is the _____.
What is a cell.
This is part of a eukaryotic cell that directs cell activity and contains genetic information stored in DNA.
Only _______ cells have their genetic material surrounded by a lining.
What are eukaryotic cells.
Amoeba is an example of multicellular organism.
What is false.
What is an example of a multicellular organism?
What are humans and animals.
This is cells have genetic material that is not surrounded by a lining.
What is prokaryotic.
This is a living thing that is made up of two or more cells.
What is a multicellular organism.
The cell theory is the result of the hypothesis and observation of one person.
What is false.
Describe two observations you could make to provide evidence that an onion is made of cells.
What is box‑like cells with clear boundaries, and visible nuclei within each cell.