Keep a stale, piece of bread in a warm corner of the kitchen and observe it for 3 to 4 days. Can you identify the organism growing on the peace of bread? Identify its mode of nutrition.

Solve the crossword with the help of clues given below.

ACROSS

1. A plant parasite.

2. The process by which green plants prepare their food.

3. The process of obtaining and utilising food.

4. Green pigment present in the leaves of plants.

DOWN

1. Two different organisms that live together and their by benefit from each other.

2. Organisms feeding on dead matter.

3. An organism deriving food from another living organism.

4. Organism that cannot prepare its own food.