Ahard-shelled nut occurs in all habitats of a certain species of bird, but only some populations of that bird drop the nut on rocks to crack the hard shell. what is the most likely explanation for this difference in behavior?

Examine the air pressure map. which type of line is shown on the map?

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

What if the yeast were extremely active and produced more than 100ml gas. would you know? why/why not