<u>Answer:</u> Mutations are the most fundamental way to add new genes to a gene pool.
<u>Explanation:</u>
Mutation refers to the process through which the normal sequence of altered. It may be either acquired or hereditary. It leads to addition of new genes to a gene pool.
The reason for not considering other statements as true are:
1. It is the hereditary mutation that are passed form parent to offspring's and acquired mutation is caused by external factors.
2. Acquired mutation are caused by external factors such as radiation.
3. Germ line mutation are important to evolution because they can be inherited.
a reaction where particular set of chemicals changes into another form without changing their nuclei just the transfer or sharing of electrons and formation and breaking of bonds is called as chemical reaction.
example- formation of water, photosynthesis etc.
but if there is a change in nuclei than it would be called as nuclear reaction.
like Uranium breakdown etc.
Answer:
mouth, esophagus, stomach, small intestine, large intestine, rectum and anxs.
The tiny openings through which evaporation takes place in the leaves of plants are called stomata.
<span>♡♡Hope I helped!!! :)♡♡
</span>
