Answer:
A system is the combination of different kinds of organs for functioning or performing special tasks in our body. For Example : Skeletal System.
Answer:
I'm looking for the answer too but unless the person has seen the question and answer choices no one can help you because you don't have answer choices.
Explanation:
Hope this encourages you or notifies you to put answer choices.
Answer: It is as a result of Genetic Mutation.
Explanation:
Mutation and sexual reproduction result in increased genetic variation.
Mutation is the change in genetic content or DNA of an organism. It can be as a result of mutagens or errors during DNA replication. When there is mutation in reproductive cells such as sperm or egg, it can be pass to the next generation. The new traits will become permanent if it is subject to natural selection.
Sexual reproduction involves the transfer of new genes from the parents and to the offsprings which lead to new phenotypes and these can help the organism to adapt to it's environment.
A. because it is basically the powerhouses of the cell and they act like the digestive system.