$E. coli$ in the human colon behaves as:

Which of the following is an example of predation?

Which one of the following is $INCORRECT$ about population interaction?

Killing an organism for feeding is known as:

Match the pairs of partners showing interspecific interaction from Column-$I$ and Column-$II$:

Column-$I$	Column-$II$
$a$. Sea anemone	$i$. Cyanobacteria
$b$. Plant	$ii$. Man
$c$. Plasmodium	$iii$. Herbivore
$d$. Fungi	$iv$. Clown fish

Lianas are vascular plants rooted in the ground and maintain erectness of their stem by making use of other trees for support. They do not maintain direct physiological relation with those trees. Discuss the type of association the lianas have with the trees.