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
selectively permeable
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
Which cell organelle contains the genetic material for reproduction?
Nucleus
Living things
A group of tissues working together is called what?
Organ
What part of a plant cell has the function of producing sugar in the presence of sunlight?
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
An organism without a nucleus is called a
Molecules moving from high concentration to low concentration is called ____________
diffusion
What are the products of respiration?
Carbon dioxide, water, and energy
Bacteria growth is recorded at different temperatures. What is the independent variable?
Different temperatures
This transports material
Endoplasmic Reticulum
An example of a unicellular organism
Bacteria
Water moving out of an egg when placed in corn syrup is an example of what?
Osmosis
What are the products of photosynthesis
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
What type of cells do photosynthesis?
Plant Cells