What is Biology?
the way of gaining knowledge about the natural world.
What is Science?
anything that has mass and takes up space
What is Matter?
change of one substance into another
What is Chemical Reactions?
individual living things
What is an Organism?
High boiling point, expands when freezes, surface tension, high specific heat
What are Special Characteristics of water?
statement that cannot change under certain natural conditions.
Scientific Law
made of chains of amino acids
What is Proteins?
Speeds up reactions in cells, without these most life would die
What is Enzyme?
responds to environment, grows and develops, produces offspring, and maintains homeostasis.
What are the Characteristics of Life?
Mixture of two solutions
What is Solution?
variable that is affected by other factors
Dependent Variable
2 or more elements bonded together
What is Compound?
the energy required to start a chemical reactions?
What is Activation Energy?
similar ecosystems with similar environments
What is a Biome?
electrical charge difference between areas of molecules
independent variable
lipids, proteins, carbohydrates, and nucleic acids.
What are Macromolecules?
When energy is released during the reaction
What is Exothermic?
structure made of one or more tissues
What is an Organ?
pH of 0-7
What are Acids?
broad explanations that are well supported by data
What is Scientific Theory?
has a definite make up.
What is a Chemical Substance?
When energy is absorbed during the reaction
What is Endothermic?
A group of the same kinds of cells
What is tissue?
pH of 7-14
What are Bases?