Yes there are male and female frogs. And there are male/female hermaphrodite frogs.
No, male frogs can only mate with females.
Externally, all male frogs have pads on their feet while females don't. Internally, females have eggs and so on while male frogs have testes and so on.
Males sing more often, but females can and do sing.
No, but they sing a more varied repertoire of notes than females.
Females can find a male to mate with through social interactions, displays of availability or receptivity, and seeking out mates in their environment. In many species, pheromones and physical signals play a role in attracting potential mates. Additionally, female choice and selection based on desired traits are commonly seen in the animal kingdom.
In nature, there usually are some more males than females, I think there is no difference in frogs, but it may depend on the species and population of frogs.
Male frogs have thumb pads, which are extra fatty tissues on the hands, just below where the thumb attaches to the hand.
No. Male frogs externally fertilize the females eggs.
Males sing to attract females and establish territories.
Toads and frogs are separate species, both with males and females.
Male mockingbirds are typically larger and have bolder markings than females. Additionally, males are known for their elaborate singing to attract mates and establish territory, while females may sing more softly and infrequently.
yes females can sing alto too and males can sing soprano too.