D Learning Task 1: Answer The Following Questions. Write Your Answer In Your Notebook 1. What Is An

D Learning Task 1: Answer the following questions. Write your answer in your notebook 1. What is an ecosystem? What are examples of diverse ecosystem? 2. What is a rainforest? Why is rain forest known as the lungs of the earth? 3. What are the major parts of the rainforest? Describe each. 4. What are coral reefs? Where are they found? Why are they important to marine lives? 5. What are the different types of coral reefs. Describe each CLMD

 

Answer:

1.An ecosystem is a geographic area where the plants,animals and other organisms,as well as weather and landscape,work together to form a bubble of life. Forests,desert, grasslands and streams are the examples of diverse ecosystem.

2.Tropical rainforests are often called the “lungs of the planet” because they generally draw in carbon dioxide and breathe out oxygen. But the amount of carbon dioxide they absorb, or produce, varies hugely with year-to-year variations in the climate.

3.Most rainforests are structured in four layers: emergent, canopy, understory, and forest floor.

4.Coral reefs provide an important ecosystem for life underwater, protect coastal areas by reducing the power of waves hitting the coast, and provide a crucial source of income for millions of people. Coral reefs teem with diverse life. Thousands of species can be found living on one reef.

5.Types of Coral Reefs

1. Fringing reefs — a coral reef that lies close to the shore.

2. Barriers reefs — a coral reef roughly parallel to a shore and separated from it by a lagoon or other body of water. Usually pierced by several channels that give access to the lagoon and the island or continent beyond it.

3. Atoll reef — is a ring-shaped coral reef, island, or series of islets. Surrounds a body of water called a lagoon.

4. Mangrove swamps — a tidal swamp that is dominated by mangroves and associated vegetation.

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