Abald eagle and a black bear both have four limbs with digits because they are both tetrapods, descendants of a four-limbed ancestor. in this comparison, the limbs of the eagle and the bear are what type of structure?

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous

Which type of stimulus do mechanoreceptors detect? sound pain heat light