Anything in the environment that can cause a mutation is called as a mutagen.
Environmental mutagens include:
radiations, chemical, infectious agents, extreme heat.
The environment we live in has a real impact on whether we experience genetic mutations. The quality of water we drink and the air we breathe can actually effect the integrity of our DNA. Our bodies are designed to correct any mistakes, but dangers from the environment can increase our chances of ending up with a mutation.
Answer:
The composition of the blood entering from Q is different from the blood leaving through R because it contains more nutrients.
Explanation:
This diagram is the structure of villi which is a main part of small intestine. The main function of villi is the absorption of nutrients from food materials and add these nutrients into the blood vessel which is present inside them. So this blood contains more nutrients.
Answer:
The answer to this question is false
