The complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?
a. carbon can form four strong covalent bonds.
b. carbon can only form one bond at a time.
c. carbon forms ionic bonds with most elements.
d. carbon is the lightest and smallest element.

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called

Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.

The diagram shows the results when two parents are crossed. the letters represent alleles for a trait that is controlled by three different genes. which best describes this inheritance pattern? multiple allele because a trait is controlled by three different genes polygenic because the offspring have alleles from both parents multiple allele because the offspring have alleles from both parents polygenic because a trait is controlled by three different genes