Question No : 1
What is the term for the process by which an ecosystem gradually returns to its original state after a disturbance has occurred?
Question No : 2
Which of the following is a renewable source of freshwater?
Question No : 3
What is the term for the process of removing salt and other minerals from seawater to make it suitable for drinking and irrigation?
Question No : 4
Which of the following is a component of the Earth's hydrosphere?
Question No : 5
What is the term for the process by which a species evolves over time to better suit its environment?
Question No : 6
What is the term for the process by which soil particles are carried away by wind or water?
Question No : 7
Which of the following is an example of a primary consumer in an ecosystem?