Though some organisms are considered plants they behave like heterotrophs. Justify the answer.

what is heterotrophs. Justify the answer.

A person holds a bundle of hay over zero his head of 30 minutes and get tired. Has he done some work or not ? Justify your answer.

Name some animals which eat different parts of the plant like green / dry grass, leaves and branches.

In the pond , we find that different organisms live in different regions. This is due to some conditions like availability of different amount of food, air, light etc. Now let us study the table 4 , showing organisms living in different regions of a pond and answer the question. Name some organisms in the pond that can stay in different regions in the same period? What makes thein stay in different regions in the pond?

Two carbon compounds A and B have molecular formulae C_3 H_8 and C_3 H_6 respectively. Which one of the two is most likely to undergo addition reactions? Justify your answer.

Now in the same way, let us study a plant or a tree as habitat. Birds, monkeys, squirrels, snakes, ants, spiders, caterpillars, moths, bees, wasps, small plants (mosses), mosquitoes are some organisms that you may find on a-tree. Try to classify them in table 5 based on where you find them. Add some more examples that you know.

Plants are autotrophic. Can you think of some plants that are partially heterotrophic?

Male and female sex organs develop on different vertically growing stalk-like structures of this plant which bears rhizoids