How is the clavicle, or collarbones, of a chicken-shaped? Using the diagram, indicate which group of dinosaurs has a furcula similar to that of chicken. PLZ MAKE AN ELABORATE EXPLANATION!!!

All organisms contribute some water to the water cycle by conducting

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.