Biology, 04.08.2019 14:00 sammamamam1090
When doing medical research with human subjects, which four limitations are unavoidable? 1- it’s often impossible to repeat trials on the same subjects. 2-subjects may report an inaccurate medical history. 3-it can be difficult to control all possible variables. 4-it’s impossible to come up with testable scientific questions for human subjects. 5-there are ethical or privacy concerns to consider.
Answers: 2
Biology, 21.06.2019 22:00, acostasilvana1osw8tk
The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.
Answers: 1
Biology, 22.06.2019 00:00, nicolemaefahey
Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating
Answers: 2
Biology, 22.06.2019 01:00, joelpimentel
Acquired mutations can result from radiation pollution toxins inheritence select all that apply
Answers: 1
When doing medical research with human subjects, which four limitations are unavoidable? 1- it’s of...
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