Common Features of Human Trematodes 1. Most adult trematodes are dorsoventrally flattened, bilaterally symmetric, leaf-shaped or tongue-like. 2. All of them have two suckers,…
Most insects have separate sexes with complex reproductive systems Accessory gland Ejaculatory duct Testis Vas deferens Seminal vesicle Penis Ovary Oviduct Spermatheca Vagina…