Why is it dangerous to a fetus for the pregnant mother to drink alcohol?

Which group is noted for the independence of gametophyte and sporophyte generations from each other? a) ferns b) mosses, hornworts, and liverworts c) charophytes d) angiosperms e) gymnosperms

What is the difference between bacterial infections and viral infections?

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.