Q: If the seasons change as a result of how much direct sunlight a hemisphere is receiving, then what changes as a result of how much direct sunlight any given hemisphere is currently receiving? Answer choices: - rotation - revolution - time zones - Light - Energy. - energy - Dilution - seasons
A: seasons

Q: If mammal hearts have two more sections than fish hearts, then how many sections does a fish heart have? Answer choices: - ovum - fat - four - p53 - two - cut - bone - stem
A: two

Q: If if both a man and woman are albino then their offspring will also be albino, then the offspring of two humans with albinism are always? Answer choices: - fertile - haploid - similar - albino - short - near-sighted - retarded - unique
A: albino

Q: If accidental alterations of the genetic code in a cell can cause new traits to appear in a parent's offspring, then what can appear due to accidental alterations of the genetic code in a cell? Answer choices: - symptoms - hyperthyroidism - Plastic cell membranes - Metallic DNA - Groupings of nano-cells - New traits - disease - viruses
A: New traits