Oysters live in water and have shells. pollution in the ocean waters where the oysters live has increased the amount of salt in the water. what is the most likely way that an oyster will adapt to the changing salt levels in the water?
a) it will change the shape of its shell.
b) it will change the color of its shell.
c) it will keep its shell open until the salt level is normal again.
d) it will shut its shell tightly until the salt level is normal again.

Which class of molecules contains the amino group, nh2 (a) sugars (b) water (c) proteins (d) hydrocarbons

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 best describes this behavior? it is beneficial only to the males that do not fertilize eggs. it is beneficial only to the female workers that are not fertilized. it is beneficial to each one of the individual colony members. it is beneficial to the whole species, but not to all of the individual members.