This is a preview. Log in through your library . Abstract The structure of a genome can be described at its simplest by the number of chromosomes and the sex chromosome system it contains. Despite ...

Evolutionary biologists have developed a wide range of techniques to reconstruct the evolutionary history of particular groups of plants and animals. These techniques reveal much about the diverse ...

A team of researchers has discovered new insights into the evolution of color patterns in frogs and toads -- collectively known as anurans. Animal color patterns can help them camouflage with their ...

Characterizing the way, manner or pattern of evolution in tumors may be important for clinical forecasting and optimizing cancer treatment. Researchers are systematically examining how spatial ...

Evolution of the Universe, stars and planets / David W. Hughes -- Catastrophes in the history of life / George R. McGhee -- Pre-metazoan life / Paul K. Strother -- Origins and radiation of the early ...

ch. 1. Ode to Cecropia: discovering nature -- ch. 2. Teasing the strands apart -- ch. 3. Time, energy, and biological evolution -- ch. 4. Evolution of the earth -- ch. 5. Of genes and species: modern ...

The concept of punctuated equilibrium was, to some, a radical new idea when it was first proposed by Stephen Jay Gould and Niles Eldredge in 1972. Now it is widely recognized as a useful model for one ...