1) Enslaving the Israelites
2) Killing the baby boys of the Israelites (Exodus ch.1).
kEEP DOWN THE INSECT POPULATION.
They keep the population of the prey down, which in turn keeps the population of the predator down. This helps them both not become extinct.
Snakes help keep down the rodent population. (Example, Mice) Just Like the Spiders help keep the Insect Population.
Herbivore: Eating plants to keep their population down
they help keep the fish population down
Obama
keep bug population down and helps brain cancer
I'm not sure, but they probably don't, considering the deadly venom.
on scrolls and in hieroglyphics
was the 360 day calender adapted by the Egyptians to keep track of harvests?
to help keep the population down so there's not animals running every were
The niche of the King Rail is to keep the insect population down an ecosystem.