Evolution - Full Chapter Explanation | Class 12 Biology Chapter 7 | 2022-23
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✅ In this video,
✔️ Class: 12th
✔️ Subject: Biology
✔️ Chapter: Evolution (Chapter 7)
✔️ Topic Name: Evolution - Full Chapter Explanation | Class 12 Biology Chapter 7 | 2022-23
✔️ Topics Covered In This Video : This video provides deeper understanding of concepts to the students who are preparing for the CBSE Class 12 Biology exam in the year 2023. It is presented by Ashish Sir and provides a thorough overview of chapter 7 Evolution.
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00:00 Introduction: Evolution
00:50 Origin of Universe:
03:58 Ancient Theories for Origin of Life:
09:24 Theory of Biogenesis:
12:42 Theory of Chemical Evolution
14:03 Importants Points
15:07 Chemical Evolution
17:30 Experimental Evidence for Formation of Simple Organic Compound:
20:26 Biological Evolution (Biogeny):
23:10 Special Points
26:15 Aristotle's Ladder of Nature:
26:38 Paleontology Evidence:
29:55 Types of Fossils
32:27 By Studying Fossils Following Fact About Organic Evolution are Evident:
33:54 Archaeopteryx:
35:48 Evolution (Pedigree) of Horse:
36:53 Dating of Fossils or The Clock of the Rock:
37:28 Fossils park of India
38:05 Geological Time Scale:
49:46 A Brief Account of Evolution
53:00 Evolution of Plants
55:34 Representative Evolutionary History of Vertebrates Through Geological Periods:
56:46 Homologous and Analogous organs:
57:11 Homologous organs:
01:00:37 Examples of Homologous organs:
01:03:36 Analogous organs:
01:06:48 Examples of Analogous organs:
01:07:58 Difference Between Homologous and Analogous Organs:
01:10:02 Evidences of Organic Evolution:
01:10:25 Evidence from Vestigial Organs:
01:12:46 Vestigial Organs in Human Body:
01:14:05 Vestigial Organs in Plants
01:14:29 Evidence from Connecting Links:
01:17:34 Evidences from Atavism (Reversion):
01:19:14 Evidence from Physiology and Biochemistry:
01:21:06 Evidence from Biogeographical Distribution:
01:27:50 Evidence from Embryology:
01:31:04 Theory of Organic Evolution - Lamarckism:
01:31:46 Theory of Organic Evolution
01:34:04 Basic Concept of Lamarckism:
01:36:51 Criticism of Lamarckism:
01:38:03 Weismann
01:41:35 Neo Lamarckism - Termed by Packard:
01:42:43 Darwinism:
01:45:38 Main Features
01:53:22 Criticism of Darwinism:
01:55:21 Examples of Natural Selection:
01:57:55 Five Observation and Three Inferences of Natural Selection:
01:58:40 Criticism of the Natural Selection Theory:
01:59:35 Artificial Selection
02:00:20 Mutation Theory:
02:07:37 Types of Natural Selection
02:09:52 Stabilizing Selection:
02:11:44 Directional Selection and Progressive Selection:
02:13:42 Disruptive Selection:
02:14:38 Species Concept
02:16:40 Hardy-Weinberg Principle:
02:19:53 Five Factors Affect The Hardy-Weinberg Principle:
02:32:39 Australopithecus:
02:32:52 Ancestry Line of Human:
02:36:45 Prehistoric Man:
02:39:42 Java Man
02:41:28 Peking Man
02:42:37 Heidelberg Man:
02:43:05 Homosapiens:
02:43:55
02:46:12 Cro Magnon man: Homo sapiens fossils:
02:49:15 Special Points
02:51:36 Website Overview
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