Question

write three differences between vector and carries (class 9 biology chapter- why do we fall ill)​

Answer 1

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Answer 2

Pathogens are mostly transmitted to hosts such as human beings through organisms known as carriers or vectors.carriers are temporary hosts of pathogens that themselves are not infected by pathogens.Houseflies,mosquitoes and rats are a few examples of carriers.some of the diseases caused y Protozoans are transmitted by these carriers