Negative interactions among populations include parasitism also. Define parasitism. What are its types ? Differentiate between ectoparasites and endoparasites.

Types of interaction that occur in predation and parasitism are

What is parasitism ? Name the various types of parasites .

Define the term population interactions. State its two types

Population Interaction|Mutualism|Commensalism|Parasitism|Predation

Positive Interactions :- Commensalism || Negative Interactions:- 1.Predation 2. Parasitism

(A) : Brood parasitism is a social parasitism among birds. (R) : Koel lays its eggs in the crow's nest.

Which of the following statements is/are incorrect ? (i) The liver fluke, a parasite, depends on tntermediate hosts (a snail) to complete its life cycle. (ii) The malarial parasite needs a vector (mosquito) to spread to other host organisms. (iii) In case of brood parasitism, the eggs of parasitic birds are not detected and removed from the nest because the parasite's eggs resemble the host's eggs in morphology and colour. (iv) A population of frogs protected from all predators would increase indefinitely.