Role of Environment, Atmosphere, and Climate Change in the Evolution of New Multicellular Species

Author(s)	Mr. Hemant Kumar Akhauri
Country	India
Abstract	Speciation is a fundamental evolutionary process through which new species arise from existing populations. In multicellular organisms, environmental factors play a crucial role in driving genetic variation, adaptation, and long-term evolutionary change. This study explores how changes in environment, atmosphere, and climate contribute to the transformation of multicellular species into new species over time. Factors such as temperature variation, atmospheric composition, habitat alteration, and ecological pressure influence natural selection and adaptive mechanisms. Climate change accelerates these processes by modifying ecosystems, disrupting food chains, and creating new survival challenges for organisms. As a result, populations undergo physiological, behavioral, and genetic changes that may eventually lead to reproductive isolation and speciation. This paper highlights the interconnected role of environmental and climatic forces in shaping biodiversity and emphasizes their significance in understanding evolutionary patterns in multicellular organisms
Keywords	Climate change
Field	Biology > Genetics / Molecular
Published In	Volume 17, Issue 1, January-March 2026
Published On	2026-03-24

About IJSAT Fees & Payment Current Issue Publication Archive	Submit Research Paper Track Submission Status Publication Guidelines Publication Ethics Peer Review & Plagiarism	Join as a Reviewer Editors & Reviewers Reviewer Referral Program Get Reviewer Membership Certi.	Website/Journal Policies Usage Policy Content Policies Privacy Policy

Contact Us	Message on WhatsApp	+91-9687-182-185	editor@ijsat.org

International Journal on Science and Technology