Answer:
Common to all plant species, the cell wall is the tough outer coat that protects the plant cell. The cell wall is mostly carbohydrate‐based, comprising three major classes of polysaccharides: cellulose, hemicellulose and pectin. There are also important structural proteins as well as phenolic and aliphatic polymers.
Explanation:
They need to replicate themselves to make sure they don't get smaller.
Answer:
Science causes the development of economy, health, infrastructure and education.
Science helps finding new knowledge and technologies.
Explanation:
Science can lead to the development of economy, health, infrastructure and education. The development in these fields makes the people of that society are more advanced due to education and having good health and financial conditions.
It’s important to know that science is a way to help in finding new knowledge and technologies. the new knowledge helps in finding new technologies which minimize the adverse affect of that technologies on the environment and also these technologies reduce human efforts and make our work easier.
Answer: IA
Explanation: The allele IA has dominance over the allele I because the allele IA is a dominant trait