As a child, Alex was short for his age. But during his teenage years, his height increased and he surpassed most of his friends.
What must have occurred to create this growth spurt? A.Cells in Alex’s body underwent meiosis to create new tissue. B.Cells in Alex’s body underwent mitosis to create new tissue. C.Cells in Alex’s body produced haploid cells that formed new muscle. D.Cells in Alex’s body produced new tissue by budding.
Ans. (B).Cells in Alex’s body underwent mitosis to create new tissue.
Mitosis is defined as a type of cell division, which is associated with the growth, development, and repairing of damage tissues. During mitosis, one parent cell gives rise to two identical daughter cells. As mitosis increases the cell numbers and makes new tissues, it is responsible for growth and development of the body.
Eugleas create their own food through photosnthsis, the process of absorbing sunlight to synthesize foods from carbon dioxide and water. An eyespot at the front end of the euglena detects light I belive
