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.Rainforests are characterized by a closed and continuous tree canopy, moisture-dependent vegetation, the presence of epiphytes and lianas and the absence of wildfire. Rainforest can be classified as tropical rainforest or temperate rainforest, but other types have been described.

because they generally draw in carbon dioxide and breathe out oxygen.

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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.The three main types of coral reefs are fringing, barrier, and atoll. Schools of colorful pennantfish, pyramid, and milletseed butterflyfish live on an atoll reef in the Northwestern Hawaiian Islands. The most common type of reef is the fringing reef.

Explanation:

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