During the 1700s naturalists were defining the living world...

During the 1700s, naturalists were defining the living world, cataloging species and identifying conditions for life. During this time, there were hotly debated topics among some of the most respected biologists (naturalists). What was the most significant debate topic of the 18th century? Name at least two leading naturalists that lived during this century and debated major themes regarding species.

Transcript

00:01 So, question is about the work of linnaeus and buffan shaped our understanding of species.

00:06 So linnaeus worked on naming the organisms and placing them into categories.

00:11 And what happened? the buffan disagreed with this.

00:16 Because he said that by naming the organisms and placing them in different categories is like imposing an order on nature.

00:24 So which approach is more sensible and why? so we know that carl linnaeus is also known as the father of taxonomy, father of taxonomy, which deals with classification, which deals with classification of species and placing them in specific category, placing them in specific category.

00:59 So other than that, he gave the binomial nomenclature as well.

01:07 Nomial nomenclature as well.

01:10 So he gave the two kingdom system, two kingdom system in which he started placing the organism on the basis of the similar characteristics.

01:22 So he proposed the two kingdom system, one planti where he placed plants and one he animalia, where he placed animals on the basis of the similar cractor stix they possess.

01:39 Cractor sticks they possess, they have.

01:43 So, but this method, this two kingdom system, was rejected later on, rejected later on.

01:55 Because unicellular organism didn't fit in these kingdoms.

01:59 Unicellular organisms were not there.

02:04 Organisms were not placed.

02:08 Were not placed.

02:10 Other than that, it didn't provide any separate distinction for organisms.

02:18 Separate distinction for these organisms.

02:26 For organisms.

02:27 And so it was rejected.

02:30 Now moving to the wufan work...