CSIR NET Life Science Mind Map: Evolutionary Time Scale 

By Astha Singh|Updated : March 22nd, 2023

Aspirants preparing for the CSIR NET examination have to go through a lot of phases where it seems difficult to memorize and understand the concepts very well. While preparing for the CSIR NET Life Science 2023 Exam, the candidates might face problems in memorizing the function of a particular part of the cell. Mind maps are the answer to all your problems regarding memorizing the concepts and information on a certain topic.

We at BYJU'S EXAM PREP have come up with the idea of providing the mind maps for all the units in the Life Science subject to make your preparation easy. These mind maps are developed by our subject experts considering the most important topics that the candidates need to prepare for the CSIR NET 2023 Exam. In this article, we have provided a detailed mind map for the topic of the Evolutionary Time Scale which comes under the Evolution and Behaviour in Life Science. 

Mind Map For Evolutionary Time Scale

The absolute ages of geological events are often determined by radiometric dating. It measures the decay of certain radioactive elements in minerals that form in igneous rock. Most of the eras and periods of the geological time scale were named and ordered before Darwin’s time. These geological eras and periods were distinguished by distinctive fossil taxa and are still most readily recognized in practice. The Cenozoic era embraces seven epochs, Paleocene through Holocene. The older literature refers to the first five epochs (66–2.58 Mya) as the Tertiary period, and to the Pleistocene and Holocene (or Recent) (2.58 Mya–present) as the Quaternary period. Geologists now recognize, instead, the Paleogene (Paleocene through Oligocene, 66–23 Mya), Neogene (Miocene through Pliocene, 23–2.58 Mya), and Quaternary periods. In general, the older the geological age, the less well it is represented in the fossil record because of erosion and metamorphism.

Evolutionary Time Scale Mind Map

Aspirants can check below the information regarding the topic and sub-topics included in the mindmap.

TopicSub-TopicMind Map
Evolutionary Time Scale
Download Mind Map Here

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