A scientist finds a fossil that she thinks might make a good index fossil. Which characteristic does this fossil most likely have?
It is the remains of an organism still found alive today.
O It is the remains of an organism that is found in abundance nearby.
It is the only fossil for this type of organism that has ever been found.
O It is the remains of an organism that lived in a narrow geographic area.

What element is able to combine with itself and hydrogen to form large molecules ?

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen

Suppose that on a small island off the coast of scotland, 32 percent of the population has blue eyes, which means that these individuals must be homozygous for the blue eye color gene (bb). the only other eye color found on the island is brown, and individuals that are homozygous for the brown eye color gene (bb) or heterozygous (bb) will have brown eyes because brown is the dominant gene. assume this population is in hardy-weinberg equilibrium. if 100 babies are born next year, how many of these would you expect to have brown eyes and be heterozygous? a. 58 b. 49 c. 29 d. 43