Which of the following provides the best example of how comparative embryology supports the theory of evolution? a. humans do not lay eggs as birds do, but birds produce yolk sacs instead of embryos, suggesting birds evolved later than humans. / b. humans have a tailbone that is not visible during embryonic development, which suggests that humans evolved to not depend on their tailbone serving a useful purpose. / c. humans do not have gills as fish do, but human embryos have gill slits, suggesting humans and fish share a common evolutionary ancestor. / d. humans have embryonic cells that dev

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000