Variables
A farmer wants to see which type of fertilizer makes his corn grow the tallest. What is the independent variable?
Type of fertilizer
This organelle is known as the powerhouse of the cell.
Mitochondria
The basic unit of structure and function in an organism
A group of cells working together is called what?
Tissue
What are the raw materials of photosynthesis?
Water and carbon dioxide
A farmer wants to see which type of fertilizer makes his corn grow the tallest. What is the dependent variable?
Height of the corn
This structure provides support and protection to plant cells.
Cell Wall
Living things
A group of tissues working together is called what?
Organ
Where does photosynthesis take place in the cell?
Chloroplast
A farmer wants to see which type of fertilizer makes his corn grow the tallest. What would be a constant?
amount of water, sunlight
Controls what enters and leaves the cell
cell membrane
Made of many cells
Multicellular
A living thing is called what?
An organism
What phrase means some things can get in and others cannot?
Selectively permeable
Bacteria growth is recorded at different temperatures. What is the independent variable?
Different temperatures
This stores food, water or waste for a cell
Vacuole
Made of only one cell
Unicellular
A group of organs working together is called what?
Organ systems
What are the raw materials of respiration?
Glucose and oxygen
A farmer wants to see which type of fertilizer makes his corn grow the tallest. What is the control?
Corn without fertilizer
How can you tell an animal and plant cell apart under a microscope?
- Shape: A plant cell is more structured than an animal cell
- Organelles: Plant cells would have a cell wall, chloroplasts, and a central vacuole.
Cells can only come from _____________
other cells
Levels of cellular organization in order
Cell, tissue, organ, organ system, organism
Cell membrane