Which is an effect of a compromised immune system? decreased antibody production.
improved ability to fight disease.
increased lymphocyte production.
reduction in pathogens entering the body.

What is called the "building block" of life?

Which of the following matches the organisms described with the correct domain? a. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycanb. archaea--multicellular, eukaryotic organisms that do not have cell wallsc. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sourcesd. bacteria--unicellular, eukaryotic organisms that always lack cell walls

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic