Whenever you learn about the stars, planets, or space, you are engaging in the branch of science known as astronomy. Astronomy is the study of the universe, and that includes all objects in space as well as all the phenomena happening in space. You can learn about astronomy through books, clubs, or classes in school. However, some books and classes can be expensive or hard to come by. Online courses are a great alternative to learn any subject, including astronomy!
BioMath: Carbon Dating
Biology definition of organism: a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and maintain homeostasis. An organism refers to a living thing that has an organized structure, can react to stimuli , reproduce, grow , adapt, and maintain homeostasis. An organism would, therefore, be any animal , plant , fungus , protist , bacterium , or archaeon on earth. These organisms may be classified in various ways. One of the ways is by basing upon the number of cell s that make it up. The two major groups are the single-celled e. Organisms can also be classified according to their subcellular structures.
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Carbon dating definition biology
In evolutionary biology , abiogenesis , or informally the origin of life OoL ,    [a] is the natural process by which life has arisen from non-living matter, such as simple organic compounds. There are several principles and hypotheses for how abiogenesis could have occurred. The study of abiogenesis aims to determine how pre-life chemical reactions gave rise to life under conditions strikingly different from those on Earth today. Life functions through the specialized chemistry of carbon and water and builds largely upon four key families of chemicals: lipids cell membranes , carbohydrates sugars, cellulose , amino acids protein metabolism , and nucleic acids DNA and RNA. Any successful theory of abiogenesis must explain the origins and interactions of these classes of molecules.
Life is a characteristic that distinguishes physical entities that have biological processes , such as signaling and self-sustaining processes, from those that do not, either because such functions have ceased they have died , or because they never had such functions and are classified as inanimate. Various forms of life exist, such as plants , animals , fungi , protists , archaea , and bacteria. Biology is the science concerned with the study of life. There is currently no consensus regarding the definition of life. One popular definition is that organisms are open systems that maintain homeostasis , are composed of cells , have a life cycle , undergo metabolism , can grow , adapt to their environment, respond to stimuli , reproduce and evolve.