QUESTION 14 Maintaining soil fertility, purifying water, producing oxygen, and d

Question

QUESTION 14 Maintaining soil fertility, purifying water, producing oxygen, and decomposing waste are all examples of O ecosystem services O species diversity O biodiversity. O ecological footprint. O biocapacity. QUESTION 15 In the unique seafloor vent community, the primary producers are O sulfur bacteria. O tube worms. O giant snails O plants. O phytoplankton. QUESTION 16 How much of the energy that reaches Earth's outer atmosphere from the sun is available for photosynthesis in plants at Earth's surface? ? 21% O 25% O 14% 05% o 1% QUESTION 17 In the United States, most Biosphere Reserves are found in the Appalachian Mountain region. O national parks and national forests O national zoos O coastal regions O small, isolated communities. QUESTION 18 Explain why it would probably be a money-losing venture to establish a plantation to grow com in an area that used to be tropical rain forest. Arial V3 (12pt) Path: p Words0 QUESTION 19 What is the difficulty with establishing small, isolated reserve areas for the preservation of threatened species? Arial V 3 (12pt)

Explanation / Answer

Que 14

Ans:

Maintaining soil fertility, purifying water, producing oxygen and decomposing waste are all examples of: ecosystem services.

Explanation:

- Ecosystem services takes into account both biotic (living) communities and the abiotic (non living) environments on which the communities depend.

- Ecosystem services includes both biotic and abiotic components.

- Hence, maintaining soil fertility, purifying water, producing oxygen, and decomposing waste are all examples of ecosystem services.

Que 15

Ans:

In the unique seafloor vent community, the primary producers are: sulfur bacteria.

Explanation:

- Water coming out of a vent is rich not only in dissolved minerals but also in chemosynthetic bacteria.

- These chemosynthetic bacteria are capable of utilizing sulfur compounds.

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