While studying evolution, a student comes across a cladogram that includes clades like amphibia, reptilia, aves, and mammalia. what must be the basal clade? plantae chordata nonchordata

What are the two main phases of a cell cycle

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

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