What is the organelle that produces energy for the cell?
100
Tissue.
What are groups of cells called?
100
Their size is limited by their surface area, due to the surface area to volume ratio.
What is the reason behind why cells are so small?
100
The arrangement of parts in an organism or object.
What is structure?
100
An Organism.
What is the name of any living thing?
200
The thin, flexible barrier around the cell that controls what enters and leaves the cell.
What is the cell membrane?
200
Organs.
What are groups of tissues?
200
Matthias Schleiden, Theodor Schwann, and Rudolf Virchow.
Who are the 3 scientists who contributed to the cell theory?
200
Structure determines function.
What is the relationship between structure and function?
200
The smallest structural and functional unit of an organism.
What is a cell?
300
A rigid, strong outer layer around the outside of plant cells, which supports and protects the cell.
What is the cell wall?
300
Organ systems.
What are groups of organs?
300
Prokaryotic and eukaryotic cells.
What are the two kinds of cells?
300
The activity of each part in an organism.
What is function?
300
Xylem and phloem.
What two tissues make up the vascular system in plants?
400
The nucleus.
What is the control center of your body?
400
Leaves.
What is an organ found in plants?
400
Prokaryotes store their DNA in their cytoplasm, while eukaryotes, a nucleus.
What is a major difference between prokaryotic and eukaryotic cells?
400
Plants and animals have different parts, which have different functions.
What is a big difference between plants and animals?
400
Delivering nutrients and oxygen, and taking away waste.
What do systems perform to meet the cells' necessities?
500
To break down worn out or damaged cells, waste materials, and foreign invaders.
What is the job of lysosomes?
500
Nervous, epithelial, connective, and muscle.
What are the 4 types of tissues found in animals?
500
All living organisms are composed of one or more cells.
The cell is the basic unit of structure and organization in organisms.
Cells arise from pre-existing cells.
What is the cell theory?
500
Cells, tissues, organs, and organ systems.
What makes up the structure of a unicellular organism?