How do amoebas obtain food?

Which best explains why viruses do not have special structures or enzymes that allow them to make their own food? viruses can use energy in living cells that they infect. viruses can replicate inside a host that they infect. viruses can cause contagious illnesses in host cells. viruses integrate their rna or dna into infected cells.

What are some possible short and long term medical concerns for crew members on longer space exploration trips

What sre the effects of hemolytic disease of a newborn