The causative agent for pam, a rare but severe brain infection, was found to be naegleria, an amoeboid protozoan living in warm freshwater. under which phylum should it be classified and why?

a.) zooflagellata, because it lives in warm freshwater

b.) sporozoa, because it is a disease-causing protozoan

c.) sarcodina, because it has an amoeboid body

phosphorus cycle

explanation:

the phosphorus cycle is the way that compounds of the element phosphorus, an essential nutrient, are recycled in the environment. plants absorb phosphorus compounds from the soil, and decaying organic matter, including both plant matter and animal droppings, returns it to the soil. phosphorus is a vital part of atp, the energy currency of all cells, and is vital to all forms of life.