Question

Solve the crossword puzzle with the help of clues given:

ACROSS
1. Dead and decaying dark-coloured organic matter (5).
2. The sequence of who eats whom (9).
3. The branchy part of a tree above the stem (5).
4. White coloured fluffy fibre (6).

DOWN
5. Light yellow coloured excretion from certain trees (5).
6. Shorter trees forming different layers under the Canopy (11).
7. Plant having a life span of two years (9).
8. The organisms which make their own food from CO₂ and H₂O in the presence of light and chlorophyll (9).

Accepted Answer

ACROSS
1. Dead and decaying dark-coloured organic matter is humus. When decomposers feed on dead plant parts (like decaying leaves) and dead animals, they convert them into a dark coloured substance called humus.

2. The sequence of who eats who is called a food chain. The sequence of the living organisms in which one organism eats another for energy is called a food chain. In forests, many food chains exist.

3. The branchy part of a tree above the stem a crown of the tree. It includes the top part (or upper part) of a tree which has all the branches and leaves of the tree.

4. Cotton and jute are the two natural fibres we get from plants. White coloured fluffy fibre is cotton.

DOWN
5. Light yellow coloured excretion from certain trees Rosin.

6. Shorter trees forming different layers under the Canopy are understorey or undergrowth. These consist of small trees, shrubs, tall grasses, etc.

7. The plants having a life span of two years are called biennial.

8. The organisms which make their own food from CO₂ and H₂O in the presence of light and chlorophyll are called producers or autotrophs.

Solved the crossword puzzle:

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