A group of similar ecosystems with the same type of physical environment.

Find an equation in standard form of the parabola that passes through (-2, 9), (-4, 5), and (1, 0)

The graph shows the populations of two species in a particular region over two decades. based on the graph, what can you conclude about the relationship between the two species? a. the two species have a parasitic relationship. b. the two species are mutualistic in nature. c. the two species exhibit commensalism. d. the two species have a prey-predator relationship. e. the two species have a familial relationship.

Asking questions when something is unclear is part of?