Master the biology ideas that shape our living world. In a series of 50 accessible essays, JV Chamary introduces and explains the fundamental processes, ideas and theories that are vital to life on Earth. From the mysteries of sex and sleep to mass extinction and immunity, 50 Biology Ideas You Really Need to Know is a complete introduction to the most important biology concepts in history. Contents include: Evolution, Genes, Homeostasis, Endosymbiosis, Sex, Multicellularity, Nerves, Genetic Drift, Speciation, Convergent Evolution, Pollination, Mimicry, Laws of Inheritance, DNA, Alternative Splicing, Viruses, Epigenetics, Photosynthesis, Cancer, Differentiation, Regeneration, Morphogenesis, Memory, Sleep, Ageing, Consciousness and the Gaia Hypothesis.