In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

Question: While spermatogenesis produces four haploid sperm cells, oogenesis produces one mature what? Answer: ovum
While spermatogenesis produces four haploid sperm cells, oogenesis produces one mature ovum.

Question: What type of organisms are helpless at birth and require lots of help from their parents? Answer: altricial organisms
Altricial organisms are helpless at birth and require lots of help from their parents.

Question: What happens when development of nervous system is disturbed? Answer: neurodevelopmental disorders

Neurodevelopmental disorders happen when development of nervous system is disturbed.

