How many frogs are in Central and South America?
Why do frogs use poison?
To defend themselves
To have bright colors
How are they poisonous?
They steal toxins from what they eat
They product toxins naturally
They keep toxins on their skin all their lives
Why do they have bright colors?
To warm predators
To be beautiful
To lure predators
What is the toxin carried by golden poison frogs?
Why don’t golden poison frogs poison themselves?
They swap an asparagine to a threonine
They swap a cysteine to a glutamine
They swap a arginine to a serine
Where are the different groups of frogs discovered by Tarvin and Borghese?
What toxin do they carry?
Nicotinic Acetylcholine receptor
A chemical messenger
How are these frogs sure that acetylcholine can still bind to their receptor?
They evolved a couple other mutation
The toxin affects them
What are the consequences of this kind of mutation?
The frog can explode
Reduced or altered protein functions
Acetylcholine is modified