Answer all the following questions:
1- Why do you think we need to study ecology? What is the importance of ecology?
2- Give an example of an ecosystem including its biotic and abiotic components.
3- The ecologist Robert Macarthur had tested an ecological theory that says
“Two species with identical ecological requirements would compete with each other and that, as consequence, they could not live in the same environment indefinitely”.
According to this testing theory provide the following:
a) Macarthur’s question (observation) and hypothesis.
4- In your words explain the global warming and define the following:
- a) The causes of global warming.
- b) The most effective ways to control the global warming.
5- How can the water pollution affect our health?