If All Prokaryotes on Earth Suddenly Vanished, Which of the Following

question 34

Multiple Choice

If all prokaryotes on Earth suddenly vanished, which of the following would be the most likely and most direct result?

• A) The number of organisms on Earth would decrease by 10-20%.
• B) Human populations would thrive in the absence of disease.
• C) Bacteriophage numbers would dramatically increase.
• D) The recycling of nutrients would be greatly reduced, at least initially.
• E) There would be no more pathogens on Earth.

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Definitions:

Centration

The cognitive tendency in early childhood to focus on one aspect of a situation while neglecting others.

Modelling Clay

A pliable material used in art and education to create three-dimensional objects and forms through shaping and molding.

Conservation

In cognitive development, the understanding that certain properties of objects or substances do not change when their appearance is altered.

Preoperational Stage

The second stage in Piaget's theory of cognitive development, occurring roughly between the ages of 2 and 7, characterized by symbolic thinking, egocentrism, and a lack of logical reasoning.