Q: When a hemisphere is tilted towards the sun , that hemisphere receives more direct sunlight, and during the Northern Hemisphere summer, the Northern Hemisphere is tilted toward the sun. Given these facts, what changes as a result of how much direct sunlight any given hemisphere is currently receiving among the following options: - rotation - revolution - time zones - Light - Energy. - energy - Dilution - seasons
A: seasons

Q: Fish have a circulatory system with a two-chambered heart, and mammals have a four-chambered heart. Given these facts, how many sections does a fish heart have among the following options: - ovum - fat - four - p53 - two - cut - bone - stem
A: two

Q: Crossing two living things with recessive traits causes their offspring to have that recessive trait, and albinism in humans is inherited as a simple recessive trait. Given these facts, the offspring of two humans with albinism are always among the following options: - fertile - haploid - similar - albino - short - near-sighted - retarded - unique
A: albino

Q: Amutation in the sex cells of a parent can cause a new trait to appear in the parent 's offspring, and mutations are accidental alterations of the genetic code in a cell. Given these facts, what can appear due to accidental alterations of the genetic code in a cell among the following options: - symptoms - hyperthyroidism - Plastic cell membranes - Metallic DNA - Groupings of nano-cells - New traits - disease - viruses
A: New traits