Multiple Choice
Detritus is organic matter produced by the decomposition of dead organisms. Considering that detritus tends to sink in water over time, in which ocean zone does detritus make up the base of the food chain?
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48. Ecology
Introduction to Aquatic Biomes
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Which of the following is a major difference between freshwater and marine ecosystems?
A
Marine ecosystems are typically larger and have a higher salt concentration than freshwater ecosystems.
B
Both ecosystems have the same types of plant and animal species.
C
Freshwater ecosystems have a higher salt concentration than marine ecosystems.
D
Freshwater ecosystems are found only in polar regions.
Verified step by step guidance1
Identify the key characteristics of freshwater ecosystems, such as lower salt concentration and the types of species that inhabit them.
Examine the defining features of marine ecosystems, including their larger size and higher salt concentration compared to freshwater ecosystems.
Compare the biodiversity in both ecosystems, noting that marine ecosystems generally have different plant and animal species than freshwater ecosystems.
Consider the geographical distribution of freshwater ecosystems, which are not limited to polar regions but are found globally in lakes, rivers, and streams.
Evaluate the options given in the problem, focusing on the differences in salt concentration and size between freshwater and marine ecosystems to determine the correct answer.
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