Answer:
so they can find out what type of fossil it was
Explanation:
It creates cells that are copies
The experiments demonstrate the movement of pollutants through the ground water.
The sand and gravel make up the ground the water represents the ground water. The food coloring represents the pollutants.
Answer:
A population comprises individuals of the same species. A community however is comprised of different populations of several species coexisting in the same area. In short, a population only refers to one species, but a community refers to all living species within a certain area.
I think the appropriate answer for the above question is the Organochlorine insecticides which is a chemical pesticide. Their mode of action varies but mostly affects the nervous system, they are highly persistent, their sensitivity to insects is least specific ( broad spectrum). Their long environmental persistence, results in fish, bird, and terrestrial animal death. The chemical groups of pesticides include the organophosphates and carbamates, organnochlorine, botanicals, synthetic pyrethroids, insect growth regulators and the microbials.