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The term macroevolution, by contrast, refers to the origin of new species and divisions of the taxonomic hierarchy above the species level, and also to the origin of complex adaptations, such as the vertebrate eye.Macroevolution posed a problem to Darwin because his principle of descent with modification predicts gradual transitions between small-scale adaptive changes in populations and these larger-scale phenomena, yet there is little evidence for such transitions in nature.This is where the imaginary part of the theory of evolution comes in.It says that ex, eye-hand coordination, balance, navigation systems, tongues, blood, antennae, waste removal systems, swallowing, joints, lubrication, pumps, valves, autofocus, image stabilization, sensors, camouflage, traps, ceramic teeth, light (bioluminescence), ears, tears, eyes, hands, fingernails, cartilage, bones, spinal columns, spinal cords, muscles, ligaments, tendons, livers, kidneys, thyroid glands, lungs, stomachs, vocal cords, saliva, skin, fat, lymph, body plans, growth from egg to adult, nurturing babies, aging, breathing, heartbeat, hair, hibernation, bee dancing, insect queens, spiderwebs, feathers, seashells, scales, fins, tails, legs, feet, claws, wings, beaver dams, termite mounds, bird nests, coloration, markings, decision making, speech center of the brain, visual center of the brain, hearing center of the brain, language comprehension center of the brain, sensory center of the brain, memory, creative center of the brain, object-naming center of the brain, emotional center of the brain, movement centers of the brain, center of the brain for smelling, immune systems, circulatory systems, digestive systems, endocrine systems, regulatory systems, genes, gene regulatory networks, proteins, ribosomes that assemble proteins, receptors for proteins on cells, apoptosis, hormones, neurotransmitters, circadian clocks, jet propulsion, etc.
Creationists have always agreed that there is variation within species.
They wrote that "forward experimental evolution can often be completely reversed with these populations". Mutations that result in a gain of novel information have not been observed.
"Despite decades of sustained selection in relatively small, sexually reproducing laboratory populations, selection did not lead to the fixation of newly arising unconditionally advantageous alleles." "The probability of fixation in wild populations should be even lower than its likelihood in these experiments." --Burke, Molly K., Joseph P. Most long-term evolution experiments thus far have been performed in bacteria or haploid yeast populations, where, in most environments, there exist a number of loss-of-function mutations that provide a selective advantage." "For instance, sterility in yeast provides a selective advantage by eliminating unnecessary gene expression." "The emergence of the Cit phenotype is the exception in experimental evolution, where most evolved mutations affect independent genes and biological pathways, driven largely by large-target loss-of-function mutations."This candid admission is from the evolutionist journal Nature: "Darwin anticipated that microevolution would be a process of continuous and gradual change.
And as one characteristic increases, others diminish.
But evolutionists want you to believe that changes continue, merging gradually into new kinds of creatures.