What is the difference between spiders and scorpions?
a. spiders have spinnerets, scorpions have a stinging tail
c. spiders are poisonous, scorpions are harmless
b. scorpions have spinnerets, spiders have a stinging tail
d. spiders suck blood, scorpions parasitize reptiles

What is it called when plants lose water though their leaves

The seed coat's most important function is to provide a) a nonstressful environment for the megasporangium. b) the means for dispersal. c) dormancy. d) a nutrient supply for the embryo. e) desiccation resistance.

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h, o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.