Which is a difference between the Paleozoic and Mesozoic era? Animals lived in the water during the Mesozoic and on land in the Paleozoic.
The first birds emerged in the Paleozoic era while mammals first emerged in the Mesozoic.
Many different species of dinosaurs lived in the Mesozoic, but they all died off in the Paleozoic.
Animal complexity increased during the Paleozoic while the first flowering plants appeared in the Mesozoic era.

Which statement is correct ? a. aborigines were the first people to settle australia and new new zealand. b.aborigines were the first people in australia,and maori were the first people in new zealand c. the maori were the first people in australia, and aborigines were the first people in new zealand . d.the aborigines and the maori descended from the polynesians, the first people to settle australia and new zealand.

Aresearcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors by surveying college students. the data are stored on a laptop computer without encryption, and the laptop computer is stolen from the researcher’s car on the way home from work. this is an unanticipated problem that must be reported because the incident was (a) unexpected (i.e., the researchers did not anticipate the theft); (b) related to participation in the research; and (c) placed the subjects at a greater risk of psychological and social harm from the breach in confidentiality of the study data than was previously known or recognized. according to ohrp, this unanticipated problem must be reported to the irb in which timeframe? promptlywithin 48 hourswithin 24 hourswithin two weeks

Lyle is concerned about the difference between a company's salaries for its white workers and its colombian workers. in order to place economic pressure on the company, what does lyle need to do?