Vhat was the horticulturalist's observation that led to the plant growth experiments

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

Explain the significance of the increased cell specialization of the volvocine line

Rachel ate a piece of fruit and happened to drop the seeds in her backyard. after a few weeks, she saw a small plant with flowers growing in the backyard. which group does this plant belong to? a. angiosperms b. gymnosperms c. pteridophytes d. bryophytes e. chytrids