Question

Answer the following questions.
(a) What is meant by migration ?
b) Describe the lifecycle of birds.
(c) Give two causes of air pollution.
(d) For what purpose do we use land
obtained by clearing forests ?​

Answer 1

Answer:

Migration is the movement of either people or animals from one area to another. Look up in the trees, where you might see a Monarch butterfly make a stop on its migration to Mexico. Migration can be used for the journey from one place to another or for the act of movement..

2 When a fledgling or juvenile has finished growing it becomes a mature or adult bird. An adult bird attracts a mate, builds a nest and raises young to start the cycle all over again. Some birds migrate or travel long distances as part of their life cycle. Other birds stay in one area throughout the seasons.

3 The Burning of Fossil Fuels. ...

Industrial Emission.

4 Forest conversion is the clearing of natural forests (deforestation) to use the land for another purpose, often agricultural (growing crops like palm oil or creating pasture for cattle), but also for mines, infrastructure or urbanisation. Forest conversion is the largest cause of global deforestation today

Explanation:

Answer 2

Answer:

(a) Migration is the movement of either people or animals from one area to another.

(b) irds are born inside hard-shelled eggs. For many days to weeks they are protected and kept warm by their parent(s). This is called incubation. After they hatch, they will be fed by their parent(s). When they develop flight feathers they will learn to fly. Soon after flying they will be on their own. Next year they will mate and have young of their own. The cycle begins again.

Bird Life Cycle (Eastern Bluebird)

(c) 1.The Burning of Fossil Fuels. ...

2.Industrial Emission. ...

(d) Forest conversion is the clearing of natural forests (deforestation) to use the land for another purpose, often agricultural (growing crops like palm oil or creating pasture for cattle), but also for mines, infrastructure or urbanisation. Forest conversion is the largest cause of global deforestation today.