Animals eating plants are categorised separately as $A$,they are in a broad ecological context,not very different from $B$. Choose the correct option for $A$ and $B$.

The relation between a herbivore and a carnivore is an example of . . . . . . .

$Cuscuta$ is an example of

Which of the following pairs is correctly matched?

Animals have evolved various innate mechanisms to avoid predators. Some examples are given below. Select the incorrect example.

Which of the following statements regarding species interdependence are true?
$I.$ An association of two species where one is benefited and the other remains unaffected is called mutualism.
$II.$ An interspecific association where both partners derive benefit from each other is called commensalism.
$III.$ $A$ direct food relation between two species of animals in which one animal kills and feeds on another is referred to as predation.
$IV.$ $A$ relationship between two species of organisms where both partners are benefited from each other is called symbiosis.