Choose the sentences which can be S2 and S3. S1: Extinction of a particular animal or plant species occurs when there are no more individuals of that species alive anywhere in the world - the species has died out. S2: S3: S4: Today human intervention is causing rapid extinction of animals. P. For example, a mass extinction caused the death of many different types of animals and plants, including the dinosaurs. Q. Sometimes extinctions happen at a much faster rate than usual. R. This is a natural part of evolution.
Choose the sentences which can be S2 and S3. S1: Extinction of a particular animal or plant species occurs when there are no more individuals of that species alive anywhere in the world - the species has died out. S2: S3: S4: Today human intervention is causing rapid extinction of animals. P. For example, a mass extinction caused the death of many different types of animals and plants, including the dinosaurs. Q. Sometimes extinctions happen at a much faster rate than usual. R. This is a natural part of evolution. Correct Answer QP
Q is S2 as it follows correctly after extinction. P follows Q as it states an example of Q. Thus option 1 is the correct answer. The other options do not have the correct combination.
Thus, option 1 is the correct answer.