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Parasitism: Nature's Oldest Organisms

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Questions and Answers

What is parasitism?

A form of competition between two organisms for resources

A form of mutualistic relationship between two organisms

A form of antagonistic coexistence where one organism benefits and the other suffers damage (correct)

A type of commensalism where both organisms benefit

How do parasites ensure they achieve maximum benefits from their hosts?

By competing with the host for resources

By being as invisible as possible to the host

By directly attacking the host's immune system

By developing a range of adaptations to their hosts (correct)

How do parasites usually transmit from one organism to another?

Through airborne particles

Through direct physical contact

Through contaminated water sources

Through blood sucking by an infected insect or acarine (correct)

Why are vectors important in parasite transmission?

To transmit parasitic organisms from one organism to another Signup and view all the answers

What percentage of living organisms are estimated to be infected by various parasites?

Three-fourths Signup and view all the answers

Where do the most dangerous diseases caused by parasitic organisms primarily occur?

In developing countries Signup and view all the answers

What are some factors contributing to the increased susceptibility to infection in present times?

Import of food products Signup and view all the answers

Why are parasitic diseases still a serious problem despite advancements in science and medicine?

Increased disability and death caused by parasitic diseases Signup and view all the answers

What is a common way for detecting antibodies in parasitic infections?

Performing a blood test Signup and view all the answers

What is a common vector for transmitting diseases mentioned in the text?

Mosquitoes Signup and view all the answers

Why is the lack of public awareness about parasites considered a factor contributing to the increased susceptibility to infection?

It hinders proper understanding of risks and preventive measures Signup and view all the answers