What is radiometric dating in biology
Two populations of organisms are isolated if their members are unable to interbreed and produce fertile offspring.
Various structural, behavioral, and biochemical features can prevent interbreeding and thus reproductively isolate populations as distinct species.
An offspring whose phenotype differs from that of the parents.
A DNA molecule made in vitro with segments from different sources.
A pattern of development, such as that of a mammal, in which the early blastomeres retain the potential to form the entire animal.
(1) In aerobic organisms, the intake of oxygen and the liberation of carbon dioxide.An isotope, an atomic form of a chemical element, that is unstable; the nucleus decays spontaneously, giving off detectable particles and energy.A method paleontologists use for determining the ages of rocks and fossils on a scale of absolute time, based on the half-life of radioactive isotopes. On or in a cell, a specific protein molecule whose shape fits that of a specific molecular messenger, such as a hormone.The vertebrate class of reptiles, represented by lizards, snakes, turtles, and crocodilians.A measure of the clarity of an image; the minimum distance that two points can be separated and still be distinguished as two separate points.