Question 87

To gradually develop

The term 'evolved' in the context of the paragraph refers to the gradual development of systems within the body to maintain essential functions and processes, indicating a progression over time.

A) To spread

This option is incorrect as 'to spread' implies a physical distribution or expansion of something, which does not accurately reflect the meaning of 'evolved' in the context of the body's systems developing over time.

B) To gradually develop

This is the correct option, as 'evolved' specifically pertains to the gradual development and adaptation of the body's regulatory systems, such as the cardiovascular system, to meet the demands of maintaining homeostasis.

C) To revolve

This option is incorrect because 'to revolve' suggests a circular movement or rotation, which is unrelated to the concept of gradual development and adaptation that 'evolved' conveys in the provided context.

D) To shift

This choice is incorrect as 'to shift' implies a change in position or direction, rather than the gradual development or adaptation over time, which is what the term 'evolved' signifies.

Conclusion

The correct answer, "to gradually develop," accurately captures the essence of how the body's systems have adapted over time. The other options fail to convey this gradual adaptation, focusing instead on different types of movement or change that do not align with the intended meaning of 'evolved' in the context of biological systems.