Which of the following groups represent organs that can be found in plants? roots, stems, chloroplasts, flowers
roots, leaves, bark, stems
roots, stems, leaves, flowers
roots, leaves, cells, stems

Which property is used to identify the origin of an igneous rock? color density hardness crystal size

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america