Growth or movement of a plant or animal toward or away from an external stimulus, such as light, heat, or gravity. tropism. the tendency of a plant, animal, or part to move or turn in response to an external stimulus, as sunlight or temperature. â tropistic, adj.
The definition of a graph is a diagram showing the relationships between two or more things. An example of graph is a pie chart. Graph is defined as to create a diagram that shows a relationship between two or more things. An example of graph is to create a series of bars on graphing paper.
Two graphs and are considered equal when and. The order of a graph the number of vertices in it, usually denoted or or sometimes. The size of a graph is the number of edges in it, denoted or, or sometimes. If and, the graph is called empty or null.