Author Question: Which of the following is not a biotic component of an ecosystem? A) plants B) animals C) ... (Read 94 times)

khang · **on:** Jul 14, 2018

Which of the following is not a biotic component of an ecosystem?

A) plants
B) animals
C) bacteria
D) mineral nutrients

Question 2

The Earth's biosphere

A) consists of only terrestrial organisms, while the hydrosphere includes aquatic and marine organisms.
B) only includes the biotic components of an ecosystem, with the abiotic components being considered part of the lithosphere, hydrosphere, or atmosphere, respectively.
C) is more a theoretical construct than an observable sphere of study.
D) extends from the ocean floor to an altitude of approximately 8 km (5 mi) into the atmosphere.