Which of the following best describes why someone with an immune deficiency disorders may get sick more easily than someone without the disorder?

a) part of the immune system does not function properly

b) masses of cells form and steal nutrients from healthy cells

c) healthy cells are mistaken for pathogens and get attack

Consider an organism that is eukaryotic, found in both unicellular and multicellular forms, may resemble a plant but is not photosynthetic, has chitin in its cell walls, and absorbs organic nutrients from decomposing material in the environment. this organism would be classified as which of the following types of organisms? a. fungib. protozoac. bacteriad. archaea

Resperation is a way to release carbon back into the atmosphere

What are positive impacts of algae? how is it used?