Afeature that is not present in all female mammals is

The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

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