Why mosses/ferns are so few? Give reason.

Observe the global biodiversity distribution of major plant taxa in the below diagram and answer the questions that follow: (b)Why are mosses/ferns so few?Give reason.

Why most of the ferns are found in moist areas?

Why are diamonds used in jewellery? give reasons

Why are dnger signals red in colour?Give reason.

Why is there no dispersion of light refracted through a rectangular glass slab ? Give reason.

Explain why only ferns are often firstr plants to appear after a forest fire?