It's declarative hopes this helps if im wrong then im stupid :)
Answer:
Second Question:
If a doctor prescribes antibiotics, its because the you have developed a bacterial infetcion on top of your flu or HIV for example.
Explanation:
Autotrophs use photosynthesis to feed itself. An autotrophs is a plant that provides for itself and does not need to prey among other animals.
I've checked all the options and I think that the right answer looks like this: Mollusks have highly developed olfactory receptors.