Principles of biology
What is the cell theory?
Living things are made of cells
What is a cell?
A basic unit of life
What is a population?
Number of the same species in a specific area
What are Carbohydrates made of?
Sugar or starch that is used to store energy
What is a chemical reaction?
change of one substance into another
characteristics are transferred from parents to offspring within chromosones
What is Tissue?
A group of the same kind of cell
What is a community?
all the populations in the same area
What are Lipids made of?
Fat or oil
What is conservation of matter?
That matter can't be created or destoryed under normal conditions
What is Homeostasis?
keeping this constant
What is an Organ system?
A group of organs that work together
What is an ecosystem?
Abiotic and biotic factors in an area
What makes carbon so important?
What is happening to the energy during an Exothermic reaction?
Its being emmited
What is evolution?
changes over time
What is an Organ?
Structures made of one or more tissues
What is a biome?
Similar ecosystems with similar environments
What are proteins made of?
Chain amino acids
What happens to the energy during an Endothermic reaction?
Energy is absorbed
What is natural selection?
Genes passed that are helpful
What is an organism?
Individual living thing
What is a biosphere?
Part of Earth where life exists; includes water, land, and air
What are Nucleic acids made of?
made of small units called nucleotides
What is an enzyme?
They speed up reactions in cells; without them, most life would die.