Question

write in brief about progressive​

Answer 1

Answer:

ANSWER

There are various scientists who have contributed to biological classification and based on their observations we have the current system of classification:

• Aristotle (384-322 BC): Also known as the father of classification, he classified animals on the basis of two points: presence or absence of red blood cells, whether they live on land, air, or water.

• Carolous Linneaus (1707-1778): Also known as the father of taxonomy, he classified living things into two kingdoms- Plantae and Animalia.

• Ernst Haeckel (1834-1919): He proposed the thee kingdom classification- Plantae, Animalia, and Protista.

• Robert Whitakker (1920-1980): He gave the five-kingdom classification- Monera, Protista, Fungi, Plantae and Animalia.

• Carl Woose (1928-2012): He gave the classification where he classified all the organisms into three categories- Eukarya domain, Bacteria domain and Archae domain.

Answer 2

Refer to the attachment for answer

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