During which phase of meiosis do the centromeres of double-stranded chromosomes divide, followed by the sister chromatids moving toward opposite poles of the cell, and now being called single-stranded chromosomes?

A) Anaphase I
B) Metaphase II
C) Anaphase II
D) Telophase II
E) Metaphase I

A cavity in a bone, especially in a bone of the skull, is called a ________.

A) fissure
B) tuberosity
C) meatus
D) foramen
E) sinus

Bryophytes differ from all other land plants in that they ____.

A) possess swimming sperm
B) have dominant gametophytes
C) produce spores
D) exhibit alternation of generations
E) produce lignin