Why is a pyramid a good shape to show the flow of energy

What effect does plate tectonics have an organic evolution

!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.

What is one affect on the australian environment due to the introduction of non-native european rabbits