What is speciation? A. when a species begins reducing the size of its population
B. the evolution of a new species through a change in the
environment that separates a population
C. when a species outcompetes another and the species
become extinct
D. when a new allele created in a species and the
frequency of the allele changes

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

In what cells is the human genome located?

What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b. diffusion c. endocytosis d. exocytosisc. endocytosis