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Welcome to LS4: Biological Evolution: Unity and Diversity, a comprehensive exploration of the fascinating world of life on Earth. In this course, we will delve into the fundamental principles and mechanisms that underlie biological evolution, while celebrating the remarkable diversity and interconnectedness of all living organisms.

The study of biological evolution encompasses the understanding of how species have evolved and continue to adapt to their changing environments over millions of years. Through the process of natural selection, organisms with advantageous traits are more likely to survive and reproduce, passing on these favorable traits to future generations. This gradual accumulation of advantageous traits leads to the formation of new species and the branching out of diverse life forms.

One of the key concepts we will explore in LS4 is the concept of unity amidst diversity. While there is an incredible variety of organisms on our planet, they all share a common ancestry. By examining structural, functional, and genetic similarities between different species, scientists have been able to trace evolutionary relationships and construct a tree of life that showcases this unity.

Within this course, you will learn about various mechanisms and patterns of evolution, including genetic drift, gene flow, mutation, and speciation. You will also explore how environmental factors such as climate change and human activities can impact evolutionary processes and the diversity of life on Earth.

Throughout LS4, you will engage in hands-on activities, case studies, and interactive discussions to deepen your understanding of biological evolution. By studying real-world examples and analyzing scientific evidence, you will develop critical thinking skills and an appreciation for the scientific method.

LS4: Biological Evolution: Unity and Diversity offers a comprehensive framework for understanding one of the most fundamental processes that has shaped life on our planet. Whether you are a student pursuing a career in biology or simply have a curiosity about how life has evolved over time, this course will provide you with a solid foundation in evolutionary biology.

Join us on this exciting journey as we unravel the mysteries of biological evolution, celebrate the unity that binds us all, and explore the rich tapestry of life's diversity. Enroll in LS4 today and embark on a transformative learning experience.

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Listed below are the Disciplinary Core Ideas (DCI) for Physical Science and bullet points for their specific grade band progression.
LS4.A: Evidence of Common Ancestry and Diversity
LS4.B: Natural Selection
LS4.C: Adaptation
LS4.D: Biodiversity and Humans
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Last Updated:

July 28, 2023 at 2:49:27 PM



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LS4: Biological Evolution: Unity and Diversity

Describes the DCI progressions across K-12, summarizing the main focus of the science disciplinary content at each grade band.

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