A housekeeper I think , that's the answer
I would think of a unicellular organism or a plant, but I'm not too sure on this one, Just trying to help :)
Using Natural predators to reduce insect numbers caused the least harm to the environment.
A Beaker is a laboratory tool used to measure exact measurements of water
Answer: The reason why pestisides are found in our water is because the government and farmers put some type of chemical on the plants and in the water so animals like worms or bugs dont drink or eat our food and water supply.