AP BIOLOGY

Detailed explanation-1: -The increase in size during development and thereafter is thought to occur in one of two ways: ‘hyperplasia’ or ‘hypertrophy’. Hyperplasia is when a tissue grows by increasing cell number, for example, the enlargement of breast tissues during pregnancy.

Detailed explanation-2: -In cells. The increase in size and changes in shape of a developing organism depend on the increase in the number and size of cells that make up the individual. Increase in cell number occurs by a precise cellular reproductive mechanism called mitosis.

Detailed explanation-3: -Cell populations go through a particular type of exponential growth called doubling or cell proliferation.

Detailed explanation-4: -A cell cycle is a series of events that takes place in a cell as it grows and divides. A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division. The cell then leaves interphase, undergoes mitosis, and completes its division.

Detailed explanation-5: -Growth refers to the increase in mass and size of a body or organs. It typically occurs through the multiplication of cells and an increase in intracellular substance. Development refers to the physiological and functional maturation of the organism.