Jellyfish are eaten by squid. I believe that this is the biggest threat that they face.
the market economy was the single biggest threat
Churchill thought that Hitler was the biggest threat in WW2
Biggest threat is a landowner with a 22 rifle or 12ga shotgun.
The biggest threat to the Indigenous population was disease. Especially small pox. The second threat was colonization.
you are
a lion.
Itself
Humans and human activity are the biggest threat to humans.
Fire.
Humans
what is the biggest threat to the power of plutonomy