What led charles darwin to conclude that many different forms of life possess a common biological heritage?

Which statement is a physical property? becomes moldy quicklyeasy to digestconducts electricity poorlydoes not burn

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.

Which is an innovation of gymnosperms? gymnosperms are the first seed plants. gymnosperms are the first flowering plants. gymnosperms are the first vascular plants. gymnosperms are the first spore plants.