Which of these is most likely to contribute to the long-term instability of a local ecosystem? a) storms that uproot large trees in the area b) introduction of a non-native animal species c) seasonal migration of birds to and from the ecosystem d) flash floods that destroy the nests of local water birds eliminate

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

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these