Which of the following is an example of competitive interaction?

Which statement is incorrect regarding predators?

Identify the correct adaptations of parasites from the following list:
$a.$ Loss of unnecessary sense organs
$b.$ Presence of adhesive organs
$c.$ Presence of suckers
$d.$ High reproductive capacity
$e.$ Well-developed digestive system
Choose the correct option with respect to parasites.

To avoid the competitive exclusion principle,when two similar species live in the same area,they may evolve to become more different in order to:

Identify the correct statement/s from the following:
$I$. $Cuscuta$ is a chlorophyllous endoparasite.
$II$. The human liverfluke needs only one host to complete its life cycle.
$III$. The life cycle of endoparasite is more complex due to their extreme specialisation.
$IV$. During the course of evolution the host bird's eggs have evolved to resemble the eggs of the parasitic bird.

In a given habitat,plants show the least competition with which of the following?