1
Any belief purported to be scientific or supported by science that is not a product of scientific investigation.
2
are special rock-like structures. They usually form in shallow water. They are formed by bacteria such as cyanobacteria. There may also be other types of bacteria and single-celled algae.
3
A process for learning about the natural world that tests ideas using evidence gathered from nature.
4
is a natural science concerned with the study of life and living organisms
5
(consisting of DNA or RNA) are the basic unit of heredity
2
5
1
4
3