GCSE Biology (AQA) 8461 specification: Inheritance, variation and evolution – Classification of organisms (Full Lesson PowerPoint, 25 Slides) A complete, exam-focused lesson PowerPoint covering AQA ...

The history of life stretches back untold eons. Today, there is a staggering array of organisms on Earth, with more species being discovered every year. The complexity of life, from the smallest ...

Life and death are traditionally viewed as opposites. But the emergence of new multicellular life-forms from the cells of a dead organism introduces a “third state” that lies beyond the traditional ...

Humans make stuff up—including the names and classifications of living things. But those categories are still useful. In this episode of Crash Course Botany, we’ll explore how taxonomy and systematics ...

A research team led by UC Berkeley scientists has defined a new branch on the tree of life after sequencing about 800 largely unknown bacteria genomes. The researchers classified these very small ...