problem 1:

What role mangrove plays in marine environment?

problem 2:

What makes mangrove withstand its survival in harsh environment?

problem 3:

Delineate seagrass. List the different species of seagrass common in Mauritius. What is the differentiation between seagrass and seaweed?

problem 4:

What is the significance of seagrass in marine ecosystems?

problem 5:

Illustrate an Ecosystem.

problem 6:

Illustrate the energy flow in ecosystem. Give an ex of food chain.