E. Answer the following questions.
1 Why are equatorial forests known as evergreen forests? Give a few examples of trees found there.
2. What role do plants play in ecological balance?
3. Distinguish between tropical and temperate grasslands
4. Differentiate between hot and cold deserts.
5.What are the various problems related to the ecological imbalance? What steps should we take to solve them.
Answers
Answer:
1) The equatorial forests are called evergreen forests because they didn't shed their leaves altogether in a particular season and look green throughout the year. Some trees found here are mahogany, ebony, rosewood, rubber and cinchona
2) Plants form the critical base of food chains in nearly all ecosystems. Through photosynthesis, plants harvest the energy of the sun, providing both food and habitat for other organisms. For example, plants are fed upon by insects, which may be eaten by birds, which are in turn are eaten by birds of prey, and so on.
3) Tropical grasslands have dry and wet seasons that remain warm all the time. Temperate grasslands have cold winters and warm summers with some rain. The grasses die back to their roots annually and the soil and the sod protect the roots and the new buds from the cold of winter or dry conditions.
5)Promotion of the afforestation. Ban of hunting of animals and reducing the poaching of the wildlife. Reducing the human-caused disturbance and limiting the flow of the toxic water to the river and the like and the ocean bodies and also to stop the degradation of the soil and reducing the deforestation process.
Answer:
- The equatorial forests are called evergreen forests because they didn't shed their leaves altogether in a particular season and look green throughout the year. Some trees found here are mahogany, ebony, rosewood, rubber and cinchona
- They keep ecological balance by providing oxygen to living organisms and absorb carbon dioxide released by them. Oxygen is also necessary for fire which provides us heat and food. Plants also a big source of shelter for many organisms and important part of food chains within an ecosystem
- Tropical grasslands have dry and wet seasons that remain warm all the time. Temperate grasslands have cold winters and warm summers with some rain. The grasses die back to their roots annually and the soil and the sod protect the roots and the new buds from the cold of winter or dry conditions.
- The main difference between hot and cold desert is that the hot desert is battered by a high sun whereas the cold desert has ice and the snow in the ground. Furthermore, hot deserts are closer to the equator while cold deserts are in extreme northern or southern latitudes.
- Promotion of the afforestation. Ban of hunting of animals and reducing the poaching of the wildlife. Reducing the human-caused disturbance and limiting the flow of the toxic water to the river and the like and the ocean bodies and also to stop the degradation of the soil and reducing the deforestation process.
Explanation: