A reproductive process that involves only one parent and produces offspring that are genetically identical to the parent.
An organism that is able to capture energy from sunlight or chemicals and use it to produce its own food.
The basic unit of structure and function in living things
An experiment in which only one variable is manipulated at a time.
The process of change that occurs during an organism's life to produce a more complex organism
An organism that cannot make its own food and gets food by consuming other living things.
The condition in which an organism's internal environment is kept stable in spite of changes in the external environment
The combination of chemical reactions through which an organism builds up or breaks down materials
Consisting of many cells
A living thing
An action or change in behavior that occurs as a result of stimulus
A reproductive process that involves two parents that combine their genetic material to produce an new organism which differs from both parents
The mistaken idea that living things arise from nonliving sources
Any change or signal in the environment that can make an organism react in some way.
Made of a single cell