What do scientific models predict will happen to earth's oceans if current trends continue unmitigated? a. sea level will decrease between 2.5 and 6.5 feet. b. coral bleaching will continue to harm aquatic organisms. c. the acidity of ocean water will remain near a neutral ph. d. polar ice will continue to melt and refreeze in a natural cycle.

Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing

Prokaryotic and eukaryotic cells are different in many ways other than the presence or absence of a nucleus. if both archaebacteria and eubacteria are prokaryotic cells, then why are archaebacteria more closely related to eukaryotic cells than they are to eubacteria?

Trees with light brown bark dominate an ecosystem the ecosystem has populations of insects that thrive on the tree bark over time some insect species developed certain physical characteristics that them thrive on the tree bark these physical characteristics also the insects defend themselves from predators which insect species is probaly the species with the new physical characteristics?