preyed upon

Fertilized by beasts' droppings, algae are eaten by fish that are preyed upon by an isolated group of crocodiles.

They are also one of those predators at the top of the ocean's food chain, preyed upon mostly by man.

Anger and bitterness had preyed upon me continually for weeks and a deep languor had succeeded this passionate struggle .

Many settled in the barrios of Los Angeles, where they were preyed upon by the city's turf-conscious Mexican and black gangs.

Anger and bitterensee had preyed upon me continually for weeks and a deep languor had succeeded this passionate struggle.

Ill health had preyed upon him for years.

Remains of our early primate ancestors suggest birds and mammals often preyed upon our distant relatives.

Victims, in many cases, were preyed upon by people they knew well, including their neighbors or members of their church, officials said.

The oppressed peoples will never allow themselves to be preyed upon by any invaders.

The enormous bird may have been preyed upon by numerous carnivorous dinosaurs.

Students who were preyed upon simply stayed home rather than risk a morning beating, despite her attempts to get them to class.

Its nests weren't vandalized, nor was it suddenly preyed upon by a newly introduced predator.

Instead of laying claim to the freedom and economic security they hoped for, they are preyed upon by traffickers and exploitative employers.

Anger and bitterness had preyed upon me.

If rivals stumble or fail, that may be down to their own inefficiency or poor products, and not because they were preyed upon.

a poor water quality b unbalanced nutrition c lack of feed d shrimp being preyed upon while molting