Stomatas are pores on the plant leaf that control the flow of gases between the environment and the plant cells. This process helps the cells maintain a stable internal environment. Which biology theme does this example represent?

A.
interdependence in nature
B.
regulation
C.
energy transfer

Now that you have learned about indicator solutions, write a hypothesis to answer the lesson question, “what macromolecules are present in the mystery food sample? ” (keep in mind that your teacher strongly suspects zack, who ate tofu, is guilty.) hypothesis: if the mystery food is tofu, then .