Why are frogs important in keeping your local waterways clean?

Question

a. Tadpoles feed on algae and in return reduce the demand on water filtration systems.
b. Non-native trout and crayfish help to keep the frog population from growing too large and polluting the water.
c. Frogs keeps the waterway healthy by serving as a food source for birds, fish, and snakes.
d. A frog's diet is high in mosquitoes and ticks, therefore providing protection against insect borne diseases.

Answer 1

c. Frogs keeps the waterway healthy by serving as a food source for birds, fish, and snakes.

Answer 2

Over 10% of Nobel Prizes in Physiology and medicine have gone to researchers who included amphibians in their work. Which of the following is not mentioned in the video as a way that researchers have used frog skin improve human health?
a. It serves as a natural painkiller.
b. It is shown to help relieve a weakened immune system.
c. It is shown to kill HIV.
d. It serves as a natural mosquito repellant.

Answer 3

d. It serves as a natural mosquito repellant.