Ecosystem Question 109
Question: Which of the following features would be characteristic of oceans but not of freshwater ecosystems?
Options:
A) Receives material from land mostly via ground water.
B) Seasonal mixing of materials.
C) Elements buried in bottom sediments for long periods of time.
D) Bottom waters frequently lacking oxygen.
Show Answer
Answer:
Correct Answer: C
Solution:
[c] Most elements remain in bottom sediments in the ocean for millions of years, until elevated above sea level by movements of Earth’s crust.
BETA
