Which of these is NOT an interaction between a plant's root and shoot systems? The roots absorb water from the soll to prevent leaves from drying up.
The phloem transports sugars from the leaves to the root nodules for storage.
Nutrients are absorbed from the soil and moved to the stems.
The stomata open to allow carbon dioxide to enter the leaves.
I

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.