What is the purpose of the malarial parasite needing a vector?

What is the purpose of the malarial parasite needing a vector?
  1. To spread to other hosts
  2. To reduce the survival, growth, and reproduction of the host
  3. To facilitate parasitisation of the primary host
  4. To make the host physically weak

Solution

Darwin notes that the malarial parasite needs a vector (mosquito) to spread to other hosts.

Asked in: NCERT

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