CELL AS THE MOST BASIC UNIT OF LIFE
Answer:
The correct answer is A. Tissues
Explanation:
What separates a live organism from an inanimate object? A live creature undergoes self-sustaining biological activities. A cell is the most fundamental and smallest form of life. The cell was discovered in 1665 by Robert Hooke, one of the first scientists to utilize a light microscope. The cell was characterized as the most fundamental structural and functional unit in all living forms, including bacteria, plants, animals, and humans. Scientists developed the cell hypothesis, which is applied for all living entities, no matter how simple or complicated, based on scientific discoveries during the following 150 years. The cell theory contains three principles:
The cell is the most fundamental building block of life.
The cell is the building block of all living things.
New cells are created from previous cells, which split into two.
Two cells that merged within your mother's womb determined who you are. The two cells that hold all of your genetic information (DNA) joined together to begin the process of creating new life. The cell splits and is differentiated into other cells with distinct functions, resulting in the production of the body's multiple organs, systems, blood, blood arteries, bone, tissue, and skin. You are made up of billions of cells as an adult. Each of your cells is a compact and efficient form of life, self-sufficient but reliant on the other cells in your body to meet its needs.
Unicellular (single-celled) organisms can function independently, but the cells of multicellular organisms are dependent upon each other and are organized into five different levels in order to coordinate their specific functions and carry out all of life’s biological processes.
Cells. Cells are the basic structural and functional unit of all life. Examples include red blood cells and nerve cells.
Tissues. Tissues are groups of cells that share a common structure and function and work together. There are four types of human tissues: connective, which connects tissues; epithelial, which lines and protects organs; muscle, which contracts for movement and support; and nerve, which responds and reacts to signals in the environment.
Organs. Organs are a group of tissues arranged in a specific manner to support a common physiological function. Examples include the brain, liver, and heart.
Organ systems. Organ systems are two or more organs that support a specific physiological function. Examples include the digestive system and central nervous system. There are eleven organ systems in the human body.
Organism. An organism is a complete living system capable of conducting all of life’s biological processes.
Which part of this cell produces most of the energy?
Which part of this cell serves as the brain that controls the other parts of the cell?
Which part of this cell provides strength and support to the entire cell?
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