The forelimbs of mice, bats, and whales all have a similar bone structure. the similarities are an example of which type of structure?
a. homologous structures
b. embryonic structures
c. adapted structures
d. vestigial structures

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

Any sound above what db can cause hearing loss in human beings

How does the nervous system affect the excretory system?