How does classroom temperature affect students’ performance on a test? Hypothesis:
Independent variable:
Dependent variable:
Control variable:

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

Which of the following would involve looking at different structures of organisms and comparing how similar they are? a. vestigial structuresb. radiometric datingc. homologous structures

What happens during telophase? in advance : ) a. spindle fibers attach to the chrommatids. b. the mitomic spindle forms. c. the chromtaids are pulled apart. d. a new nucleus forms around each copy of dna.