A dependent variable is something that relies on another variable; it is what is being measured in an experiment.
A galaxy where mainly stars and planets form around one or more spiral arms. (usually more?)
<span>The mechanism that affected the gene pool of the immigrants that entered the United States through Ellis Island from 1892 to 1954 is B. gene flow. Gene flow is the transfer of genes or alleles from one population to another. The migration of millions of individuals from countries across the Atlantic Ocean to the United States is responsible for the changes in the gene pool of the immigrants.</span>
Answer:
Habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat
