The teacher will read the introduction to his/her students, then he/she will listen to the answers and ideas of students on the topic, and a brief explanation of the topic will be given.
The Aedes aegypti (mosquito that transmits Zika), as well as many other insects, lays a lot of eggs throughout its life (between 150-200 eggs each time). Have you ever asked yourself?
Why despite this fact, they do not have overly large population sizes, or at least do not correspond to the number of eggs laid?
157 years ago, scientist Charles Darwin (1819-1882) postulated the evolution theory, which will allow you to understand many questions like the above.