Your Inner Fish: A Journey into the 3.5-Billion-Year History by Neil Shubin

By Neil Shubin

Info on an incredible New Discovery incorporated in a brand new Afterword

Why can we glance the best way we do? Neil Shubin, the paleontologist and professor of anatomy who co-discovered Tiktaalik, the "fish with hands," tells the tale of bodies as you've by no means heard it ahead of. by way of reading fossils and DNA, he exhibits us that our palms really resemble fish fins, our heads are geared up like long-extinct jawless fish, and significant components of our genomes glance and serve as like these of worms and micro organism. Your internal Fish makes us examine ourselves and our international in an illuminating new mild. this can be technological know-how writing at its finest--enlightening, obtainable and informed with impossible to resist enthusiasm.

Show description

Read Online or Download Your Inner Fish: A Journey into the 3.5-Billion-Year History of the Human Body PDF

Best evolution books

The New Dinosaurs: An Alternative Evolution

The recent Dinosaurs: an alternate Evolution, 1988, via Dougal Dixon and with a ahead via Desmond Morris. Illustrated hardcover publication with airborne dirt and dust jacket, one hundred twenty pages, released through Salem apartment Publishing.

Kinds Of Minds: The Origins of Consciousness

Combining rules from philosophy, synthetic intelligence, and neurobiology, Daniel Dennett leads the reader on a desirable trip of inquiry, exploring such fascinating percentages as: Can any folks particularly recognize what's going in an individual else’s brain? What distinguishes the human brain from the minds of animals, particularly these in a position to complicated habit?

The Altruism Equation: Seven Scientists Search for the Origins of Goodness

In an international supposedly ruled through ruthless survival of the fittest, why can we see acts of goodness in either animals and people? This challenge plagued Charles Darwin within the 1850s as he constructed his conception of evolution via average choice. certainly, Darwin frightened that the goodness he saw in nature may be the Achilles heel of his thought.

Evolution Equations: Applications to Physics, Industry, Life Sciences and Economics: EVEQ2000 Conference in Levico Terme (Trento, Italy), October 30–November 4, 2000

The 7th overseas convention on Evolution Equations and their major components of purposes (where the emphasis evolves as time and difficulties swap) was once held October 30 to November four on the CIRM (Centro Internazionale in step with l. a. Ricerca Matematica) in Trento, Italy. in line with the elemental ideas and the hot traits governing those foreign meetings, it introduced jointly some of the world's major specialists within the fields pointed out, with specific attempt on facilitating the interplay of tested scientists and rising younger promising researchers, in addition to the interplay of natural and utilized experts.

Extra info for Your Inner Fish: A Journey into the 3.5-Billion-Year History of the Human Body

Example text

If Williams (1966) taught us anything, it is that natural selection is based on relative fitness. Knowing the effect of a behaviour on the absolute fitness of the actor does not allow us to calculate relative fitness. To evaluate relative fitness within single groups, we must compare an individual performing x with another individual in the same group performing 48 Wilson & Clark y. One possibility is that begging causes the parent to feed the individual who begs, in which case x is more fit than y within the same group.

Strategies we examine specify how much each of a pair of siblings (alpha and beta nestlings) begs in relation to their hunger, and how the parent allocates food in relation to begging level. Our model works as follows: (1) Initial (random) strategies for statedependent begging and provisioning are encoded on a ‘chromosome’. (2) The chromosomes are randomly paired and produce two offspring. Before reproduction they undergo procedures analogous to mutation and recombination to introduce new variation.

IV. Suppression: evolutionary retaliation by the parent. Animal Behaviour 27, 1210-1235. W. C. 1989. How selfish should stronger sibs be? American Naturalist 133, 846-868. Price, K. 1994. The behavioural ecology of begging by yellow-headed blackbirds. PhD thesis, Simon Fraser University. Price, K. 1996. Begging as competition for food in yellow-headed blackbirds (Xanthocephalus xanthocephalus). The Auk 113, 963-967. Price, K. & Ydenberg, R. 1995. Begging and provisioning in broods of asynchronouslyhatched yellow-headed blackbird nestlings.

Download PDF sample

Rated 4.67 of 5 – based on 20 votes