civet
small 5 letter word
torte
Knoll.
Puppy
stick
The 5 letter word that means the opposite of big and has a short vowel sound is "small."
Pinch, trace
elfin
trace
Atoll
Pterodactylus was a carnivore, not an omnivore, because they only ate meat. While young, they would have hunted insects, but in adulthood they would have hunted small fish and land animals such as lizards, amphibians, and primitive mammals.
The word you're looking for is.... stone.