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Although it is complex, though, it is actually not evolutionarily recent-we share our hearing senses with extremely old species of animals.Ī final look at evolutionary biology, explaining how evolution pulls all these variations into a kind of harmony. This chapter deals with the human ear, addressing the astonishing complexity and nuance of human hearing. It turns out that most animals have similar nostrils, from a genetic, biological point of view. This short chapter deals with human eyes, detailing their characteristics and providing commentary on their evolution.Īnother short chapter, this time dealing with human nostrils and nasal cavities. Even they have biological functions in common with humans. In a similar vein, Shubin looks at sea sponges, one of the oldest lifeforms on the planet. Human embryos actually have much in common with such primal creatures. Sea anemones do not have much in common with humans, but still, Shubin finds astonishing similiarities between their biologies. He looks at the different component parts of a skull, the various plates and rods and such that construct one 'skull.' This discussion is shaped by the animal's respective anatomy, as he explains the various neural and biological reasons for some variations in skull shape. This chapter deals with the human skull, compared to other skulls in the animal kingdom. He also looks at dinosaur teeth, many of which were fossilized nearly perfectly. Now, Shubin compares and contrasts teeth, including different teeth types, adapted for different diets (herbivore, omnivore, and carnivores). Shubin teaches about human DNA and the human genome, looking at the effects of in-utero development. This chapter deals with limb evolution, specifically addressing the divergence in evolution that led some animals to have fins, some to have wings, and some to have arms, like we do.ĭNA comes under the microscope. Even among animals that don't seem to have much in common, there is surprising similarity in the DNA. He discusses some zoo animals, including fish, like the title suggests. Shubin begins by teaching about the similarities between human DNA and other forms of life on the planet. This is a non-fiction book written in 11 chapters about biology and human genetics.

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My inner fish