For many species, there are often regional differences in their genes, although most of the time this differences aren't noticeable in their outward appearance.
The correct answer is <span>(AVNRT) </span>
1) true
2)false
3)true
4)false
5)false
6)false
7)false
Answer: Cells have different shapes because they do different things. Each cell type has its own role to play in helping our bodies to work properly. Their shapes help them carry out these roles effectively.
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Answer:
Due to its function to fight against disease.
Explanation:
Improvement of strength in the human body is very important because strong body helps in fighting against diseases. Strong body helps in doing physical activities and also helps in protecting itself from every type of harm. Weak human body can't fight against diseases due to weak immune system so we can conclude that improvement in human body is necessary for survival, development and health of human.
