Simplify the following text for a Grade 12 native English-speaking person.
Original: Termites and cockroaches are very closely related , with ecological and molecular data pointing to a relationship with the cockroach genus Cryptocercus .
Simplified: Termites and cockroaches are very closely related , with ecological and molecular data pointing to a relationship with the cockroach genus Cryptocercus ( Lo et al . , 2000 . ) .