cockroach have biting and chewing type mouth parts.then what's the need of teeth in gizzard?
To grind the food material properly, there are about 6 chitinous teeth in the gizzard.
cockroach have biting and chewing type mouth parts.then what's the need of teeth in gizzard?
To grind the food material properly, there are about 6 chitinous teeth in the gizzard.