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Author Question: An ecosystem is best described as A) a system that is composed of nonliving or inorganic matter. ... (Read 71 times)

Jipu 123

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on: Jul 14, 2018
An ecosystem is best described as
 
  A) a system that is composed of nonliving or inorganic matter.
  B) a system composed of living organisms.
  C) a group of living organisms and the abiotic spheres with which they interact.
  D) all living organisms in the atmosphere, hydrosphere, and lithosphere.
  E) a group of living plants and the soil types that is present.

Question 2

What is the difference between density and concentration? Density is the ________ with which something occurs in ________, and ________ is the extent of a feature's spread over space.
 
  A) space, concentration, frequency
  B) frequency, space, concentration
  C) period, space, time
  D) period, concentration, space
  E) frequency, time, space


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Carliemb17

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Reply #1 on: Jul 14, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B


Jipu 123

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Reply 2 on: Jul 14, 2018
Gracias!

Mochi

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Reply 3 on: Yesterday
Excellent

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