Biology: Species
What a species is and isn't. Ligers, tiglons, mule, hinnies, and dogs.
Biology
Life is beautiful! From atoms to cells, from genes to proteins, from populations to ecosystems, biology is the study of the fascinating and intricate systems that make life possible. Dive in to learn more about the many branches of biology and why they are exciting and important. Covers topics seen in a high school or first-year college biology course.
Tree of life
A family tree can tell you how you are related to your close relatives...but an evolutionary tree can tell us how all living things on Earth are related! Learn about what makes something a species, where new species come from, and how living organisms c…
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What a species is and isn't. Ligers, tiglons, mule, hinnies, and dogs.
Biology
Life is beautiful! From atoms to cells, from genes to proteins, from populations to ecosystems, biology is the study of the fascinating and intricate systems that make life possible. Dive in to learn more about the many branches of biology and why they are exciting and important. Covers topics seen in a high school or first-year college biology course.
Tree of life
A family tree can tell you how you are related to your close relatives...but an evolutionary tree can tell us how all living things on Earth are related! Learn about what makes something a species, where new species come from, and how living organisms can be classified into groups (on the basis of either evolutionary relatedness or other features).
Topic: Science
Learn about all the sciences, from physics, chemistry and biology, to cosmology and astronomy, across hundreds of videos, articles and practice questions.
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