Loss of biodiversity matters not only with regard to mammals or other vertebrates, but also microbes. What statement below would encourage a wide range of people to view microbes as worthy of discovery and protection from extinction?
A. Microbes may be the most sensitive to the next large extinction event.
B. Microbes may produce unique proteins useful in genetic research.
C. Microbes play a role in digestion.
D. Microbes are much greater in species number than any other taxa on Earth.

B. Microbes may produce unique proteins useful in genetic research

Explanation:

Biodiversity refers to the diversity of living beings present on Earth. The biodiversity is a very important component of the ecosystem as these living organisms are interlinked with each other. Therefore, the loss of biodiversity will affect the ecosystem.

When we look at the biodiversity a layman considers the living organisms which can be seen with eyes but the diversity also exists at the level of the micro-organisms.

The man-made activities are not only harming the macroscopic but also microscopic organisms. The microbes play an important role in our life like these days they are used by the scientific community to study the genetic and related fields like molecular biology. The microbes produce proteins that are consumed by humans.

Thus, Option-B is correct.

sorry, is there a picture? i do not see any arrows.

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above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.