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Advanced Placement (AP) Biology (also known as AP Bio) is an Advanced Placement biology course and exam offered by the College Board in the United States. For the 2012–2013 school year, the College Board unveiled a new curriculum with a greater focus on "scientific practices".
For example, neutral human DNA sequences are approximately 1.2% divergent (based on substitutions) from those of their nearest genetic relative, the chimpanzee, 1.6% from gorillas, and 6.6% from baboons. [10] [11] Genetic sequence evidence thus allows inference and quantification of genetic relatedness between humans and other apes.
Dual inheritance theory (DIT), also known as gene–culture coevolution or biocultural evolution, [1] was developed in the 1960s through early 1980s to explain how human behavior is a product of two different and interacting evolutionary processes: genetic evolution and cultural evolution.
The Tree of Life: A Book Depicting the Life of Charles Darwin, Naturalist, Geologist & Thinker (1st ed.). New York: Farrar, Straus and Giroux. ISBN 978-0-374-45628-3. LCCN 2002040706. OCLC 50960680. Thomson, Keith (2005). Fossils: A Very Short Introduction. Very Short Introductions. Oxford; New York: Oxford University Press. ISBN 978-0-19-280504-1.
Charles Darwin considered the evolution of eusociality a major problem for his theory of natural selection.In The Origin of Species, he described the existence of sterile worker castes in the social insects as "the one special difficulty, which at first appeared to me insuperable and actually fatal to my whole theory".
During the test with low-quality diet, the Herbivorous voles lose approximately 2 grams less mass (approximately 10% of the original body mass) than the Control ones. The Herbivorous voles have an altered composition of the bacterial microbiome in their caecum . [ 55 ]
The equation, E 2 /h 2 > E 1 /(h 1 +S 1), can be rearranged to give: S 1 > [(E 1 h 2)/E 2] – h 1. This rearranged form gives the threshold for how long S 1 must be for an animal to choose to eat both prey 1 and prey 2. [5] Animals that have S 1 s that reach the threshold are defined as generalists.
Oscar Hertwig publishes his findings in reproductive and developmental biology. In 1875 he published his first work, being the first to correctly describe animal conception . In his later work in 1885, he described that the nucleus contained nuclein (now called nucleic acid ) and that these nuclein were responsible for the transmission of ...