If you go to book and search you will find your answer
11. The Wood frog starts before the leopard frog so this means that they do not interact except in the end and beginning of wood frog and leopard frog.
They produce narrow-band high-frequency sound to help them navigate in water. These high-frequency sounds are used in echolocation. Echolocation is used to identify and locate prey and also avoid the predators. Marine mammals like whales and dolphin use echolocation in different manners.
Urinary Bladder : holds urine
■muscular ducts that connect kidneys & bladder
Ureter :
■hollow saclike organ connect to kidney
■transport Urine by peristaltic action from kidney to bladder
Urethra :
transports urine to the bladder to outside of the body
■narrow duct that connects to bladder
