Have non-living, jelly-like mesoglea connective layer between their two membrane layers.
a. cnidarians
b. lophotrochozoans
c. ecdysozoans

Marcus's genotype for eye color is bb. olivia has brown eyes, but she is heterozygous for the trait. what percentage of the children have blue eyes? if violet has green eyes and jonas has brown eyes, what is claudia's genotype? how many people in the family have blue eyes?

Why is cancer dangerous or harmful?

Which life skill would you use to evaluate how your actions affect your health?