Question

free response use the reading to answer the following free response questions 1. provide a definition in your own words describing each level of organization: a. cell: b. tissue: c. organ: d. organ system: e. organism: 2. explain how cells are the building blocks of life.

Explanation:

a. A cell is the smallest, basic unit of life that can carry out all life - processes like metabolism, growth, and reproduction.
b. Tissues are groups of similar cells that work together to perform a specific function.
c. Organs are structures made up of different types of tissues that work in unison to perform a particular function for the body.
d. Organ systems are collections of organs that collaborate to perform a major body function.
e. An organism is a living being that can exist independently and is made up of one or more organ systems. Cells are the building blocks of life because all living things are made of cells. Single - celled organisms consist of just one cell that can live on its own, while multi - celled organisms are made of many cells that work together to form tissues, organs, and organ systems, which together make up the organism.

Answer:

a. The basic unit of life capable of life - processes.
b. Group of similar cells with a specific function.
c. Structure of different tissues for a body function.
d. Collection of organs for a major body function.
e. A living being with one or more organ systems.

1. All living things are made of cells. Single - celled organisms are one cell, and multi - celled organisms' tissues, organs, and organ systems are made of cells.