Which of the following adult tissues and organs originate in the endoderm layer of the gastrula? Select all the correct answers. A. Pancreas B. Liver C. Urethra D. Lining of the urethra E. Respiratory system F. Epithelial lining of respiratory system

The study of interaction between living organisms and their enviroment is called (a) phytogeography (b) ecology (c) phytosociology (d) ecosystem

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.