To get an idea of the basics of biology I think it would be a good idea to read the wiki page on it. Here is a copy of the introduction for convenience:
“Biology is a natural science concerned with the study of life and living organisms, including their structure, function, growth, evolution, distribution, and taxonomy. Biology has many subdisciplines unified by five so-called axioms of modern biology:
- Cells are the basic unit of life
- Genes are the basic unit of heredity
- New species and inherited traits are the product of evolution
- An organism regulates its internal environment to maintain a stable and constant condition
- Living organisms consume and transform energy
Sub-disciplines of biology are defined by the scale at which organisms are studied and the methods used to study them: biochemistry examines the rudimentary chemistry of life; molecular biology studies the complex interactions among biological molecules; cellular biology examines the basic building block of all life, the cell; physiology examines the physical and chemical functions of tissues, organs, and organ systems of an organism; evolutionary biology examines the processes that produced the diversity of life; and ecology examines how organisms interact in their environment.“
A link to this page can be found here.
Apart from being very informative this wiki page also breaks down biology into 5 main interests or ‘axioms’. This is very useful as it allows me to study each axiom separately. If I tried to study biology without the axioms I would get easily overwhelmed, now at least there is a better chance I won’t.
“Develop a passion for learning. If you do, you will never cease to grow.”
— Anthony J. D’Angelo