Answer:
Explanation:
An organism is a body which is made up of many organ systems and parts. Organs constitute these organ systems. Then we will notice that these organs are made up of different types of tissues. Tissues are further analyzed under microscope to see millions of cells. By increasing the magnifying power, we can see that the cells are made up of further small molecules called atoms.
So starting form atom leads to further steps and development steps, an organism is formed. Atoms combine to form cells and each cell in the body perform the same function as our body as a whole perform. No smaller components can perform important functions of body other than cells. That’s y cells are known to be as the fundamental unit of life.
The external cell membrane. Even organisms as simple as bacteria have a cell membrane.
Prokaryotes do not have internal membranes but they still have external membranes.
Everything living thing has a cell membrane
The various forms of a single gene that code for brown, blonde, or red hair are called genotype. For example, Bb and Dd.