Answer AND Explanation:
Embryos of different vertebrate groups are morphologically similar during the early stages of development. Such similarity suggests a common ancestry. The closer the resemblance between the early stages of different organisms, the closer their evolutionary relationship.
Stigma is complex for its blend substances. For example, it can trap pollen and prepare pollen grains for fertilization. hope I helped shawty :)
Greater body size and facial gracility documented in Homo erectus are likely related to changes in tool technology and increasing access to meat and other proteins. Homo erectus walked just like a modern human, with traits like double arches and adducted big toe, they had a cranial capacity range from 650 cc to 1,200 cc.
