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Biogeography
Summary
Sources|Discussion Questions|Experiment Observations aboard the Beagle During his five year journey around the world on HMS Beagle, Charles Darwin encountered many different landscapes and an enormous variety of flora and fauna. Some of his most…
Matches: 5 hits
- … conducted several experiments to test whether the seeds of common garden plants could be soaked in …
- … QUESTIONS 1. Why did Darwin undertake soak common garden seeds in salt water? 2. Why …
- … Why is Darwin interested to know whether fish will swallow common garden seeds? How does this relate …
- … 5 different kinds of seeds. Our recommendations: common oats, corn, broccoli, radishes, falx seeds, …
- … To conduct this experiment, each student was given a duck’s foot, string, and had access to a pond. …
Darwin in letters, 1868: Studying sex
Summary
The quantity of Darwin’s correspondence increased dramatically in 1868 due largely to his ever-widening research on human evolution and sexual selection.Darwin’s theory of sexual selection as applied to human descent led him to investigate aspects of the…
Review: The Origin of Species
Summary
- by Asa Gray THE ORIGIN OF SPECIES BY MEANS OF NATURAL SELECTION (American Journal of Science and Arts, March, 1860) This book is already exciting much attention. Two American editions are announced, through which it will become familiar to many…
Matches: 15 hits
- … ordinary view only in this, that it discards the idea of a common descent as the real bond of union …
- … be inferred that they have no points nor ultimate results in common In the first place, they …
- … species is that of lineal descent: all the descendants of a common parent, and no other, constitute …
- … be shown or reasonably inferred to be compatible with a common origin. And the usual concurrence of …
- … only all the individuals of a species are descendants of a common parent, but of all the related …
- … of endurance of warmth by the reindeer, or of cold by the common camel, prevented their …
- … ’ As to amount of variation, there is the common remark of naturalists that the …
- … Mr. Darwin proceeds to show, adducing cogent reasons for the common opinion that all have descended …
- … in believing that they could ever have descended from a common parent as any naturalist could in …
- … law of inheritance remains a mysterious fact. The common proposition is, that species …
- … reversion seems well made out in the case of pigeons. The common opinion upon this subject therefore …
- … cases could be given of introduced plants which have become common throughout whole islands in a …
- … (Chapter X), to see whether they better accord with the common view of the immutability of species, …
- … bifurcated. But where is there the slightest evidence of a common progenitor? Perhaps Mr. Darwin …
- … derivation may be tested by one or two analogous cases. The common scientific as well as popular …
Darwin’s reading notebooks
Summary
In April 1838, Darwin began recording the titles of books he had read and the books he wished to read in Notebook C (Notebooks, pp. 319–28). In 1839, these lists were copied and continued in separate notebooks. The first of these reading notebooks (DAR 119…
