“Based on the trend in valence electrons across periods for main group elements, how many valence electrons does nitrogen (N) have? A. 1
B. 6
C. 2
D. 5 ✅

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells

What does it mean for an allele to be dominant?

Darwin’s hypothesis about how life changes over time is now called?