Some students on a biology field trip were sitting around watching honey bees. Some of the students noticed that bees spent more time on some flowers than on other flowers.
As they talked about this behavior, the students offered various explanations. Some thought that the bees were avoiding predators on some flowers. Other students suggested that some flowers may have sweeter nectar. These speculations about bee behavior are examples of A) data.
B) bias.
C) theories.
D) hypotheses.
Question 2
In many freshwater toxicology studies, investigators rely upon knowledge of biomagnification to guide their investigations.
If the researchers were looking for evidence of mercury contamination from a nearby power plant, they would most likely find the highest levels in the blood of A) herbivorous ducks living near the power plant.
B) rabbits that live near the power plant.
C) tadpoles in water near the power plant.
D) snapping turtles in water near the power plant.
Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
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