Study a plant or a tree as a habitat. Birds, monkeys, squirrels, snakes, ants, spiders, caterpillars, moths, bees, wasps, small plants (mosses), mosquito, are some organisms that you may find on a tree. Try to classify them in the table based on where you find them. Add some more examples that you know. 

At the base of the tree	ants,
On the trunk
Between the branches	monkeys,
On or within leaves