In aquatic plants, water passes among the tissues and provides the medium for gas exchange. In terrestrial plants, air enters the tissues, and the gases diffuse into the moisture bathing the internal cells.
Hope this helps
D. In a regimen of two to four drugs
D) cell wall have vesicles and cell membrane have plasmids...
Remember cell wall is hard n have rigid shape and it protect de internal organs... But a membrane is soft n nor a rigid shape...
Homeostasis is maintained by negative feedback loops within the organism. In contrast, positive feedback loops push the organism further out of homeostasis, but may be necessary for life to occur. Homeostasis is controlled by the nervous and endocrine systems in mammals.
