Cameron is collecting data to determine the time of completion for each stage of germination in seeds. he is using bean seeds for his investigation and recording his results. he repeats his data collection many times to obtain reliable results. which aspect of his experimental process is most important for obtaining reliable results?

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands