25
QuizMultiple Choice

Freshwater and Marine Biomes — Unit test

Question 25 • 26-27 - C - RUSD Environmental Science S1

The marine biome _______.

Answer
A
is a large ecosystem, but not larger than some terrestrial ecosystems
B
is characterized by four different zones
C
has little species diversity
D
covers a small portion of the Earth’s surface

Explanation

The marine biome is commonly divided into four zones, based on factors such as depth, distance from shore, and light. It covers most of Earth’s surface, so it is not small, and it supports a wide variety of species. Therefore, the correct choice is “is characterized by four different zones.”

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