Why do you think the change in pulse rate helps your body maintain homeostasis? will give brainliest for good answer bruh

Which direction does the energy flow in this energy pyramid ?

In which of the following relationships is one organism always benefited while the other organism is always harmed

Select the correct answer from each drop-down menu. the lac operon in e. coli regulates genes that code for enzymes required for breakdown of lactose. the lac operon is operon that is activated in the presence of .