Author Question: An ecosystem is where ________ interact with each other through the exchange of matter, energy and ... (Read 156 times)

mpobi80 · **on:** Jul 14, 2018

An ecosystem is where ________ interact with each other through the exchange of matter, energy and stimuli.

A) plant groups
B) plants and animals
C) oceanic biota
D) animal groups
E) rock types

Question 2

Which of the following statements about regions is true?

A) All regions have precise boundaries.
B) Everyone agrees on the extent of all regions.
C) Geographers decide what phenomena to use to define a region.
D) Features used to define regions must be clear and distinct on the landscape.