That Polaris Will Not Always Be the Pole Star Is

question 89

Multiple Choice

That Polaris will not always be the pole star is due to:

• A)the sidereal day being shorter than the solar day.
• B)precession shifting the celestial pole.
• C)the Moon following the ecliptic, instead of the equator.
• D)the Earth's revolution being slightly less than exactly 365.25 days.
• E)the Solar winds blowing the Earth farther away from the Sun.

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Definitions:

Gametes

Reproductive cells (sperm in males and eggs in females) that carry half the genetic information of an individual, combining during fertilization to form a new organism.

Meiosis

is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells.

Nutrient Molecules

Organic compounds and minerals that organisms consume and utilize for energy, growth, and cellular repair.

Sperm Cells

Male reproductive cells designed to fertilize the female ovum, contributing half of the genetic information to the offspring.