A high point (perhaps one of several) on an adaptive landscape; selection tends to drive the genotype composition of the population toward a combination corresponding to an adaptive peak. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ... Full article >>>
Wright's explanation for stasis was that organisms come to occupy adaptive peaks. In order to evolve to an other, higher peak, the species would first have to pass through a valley of maladaptive intermediate stages. Full article >>>
Eldredge, N: 1992. Macroevolutionary Dynamics: Species, Niches and Adaptive Peaks, McGraw-Hill Eldredge, N: 1995. Reinventing Darwin: The Great Evolutionary Debate, Weidenfeld and Nicholson ... Full article >>>
(Date:5/9/2008)...aw enforcement agents, supports CFCE training by ... SOUTHFIELD, Mich., May 9 /PRNewswire/ -- The Cent...at it will be lending Ed Moore, one of,its examine...ecome,Certified Forensics Computer Examiners (CFCE...he CCF for 3 years, will lend his 8 years of foren...
(Date:5/9/2008)... doubt about it ... the platypus is one odd duck-b...ons like webbed feet to fit its aquatic lifestyle ...ypus represents for many a patchwork of evolutiona...n international consortium of scientists led by We...Mo., has taken this theory to an entirely new leve...
(Date:5/9/2008)...shed in the latest issue of Nature Genetics, is ba...ts. It verifies two already known genes, but also ...a difference in body size of about 3.5 centimeters...ghtful findings. Several of the identified genes a...he regulation of other genes. This connection was ...
(Date:5/9/2008)...adioactive carbon-14 produced by above-ground nucl...rchers determine that the number of fat cells in a...ed during the teenage years. Changes in fat mass i... fat cell volume, not an increase in the actual nu...searchers develop new pharmaceuticals to battle ob...
...tural soils to reduce greenhouse gases and increas...by new research findings at NSW Department of Prim...itute. , Trials of agrichar - a product hailed as ... the environment - have doubled and, in one case, ... tonnes per hectare. , Agrichar is a black carb...
...e to suffer from life-altering, chronic pain long ...efinitive answer -- and an effective treatment -- ...drugs, such as aspirin and morphine derivatives, h...ersity researcher has found a key source of chroni...ntially gets stuck in the prefrontal cortex, the s...
... Tajkhorshid and graduate student James Gumbart us...,s National Institutes of Health Resource for Macr...ingly model a critical part of a mechanism by whic...by L. Brian Stauffer Using X-ray data and advance...researchers at the University of Illinois have pai...
...the battle to save Australia’s iconic Tasmanian de...devil populations. , Researchers from CSIRO’s Live...ory (AAHL), Textiles and Fibre Technology and Land...cause of Devil Facial Tumour Disease (DFTD) and po.... , DFTD is infectious and is thought to be pa...