D. He has an aerator that pumps bubbles into the tank
Dominant- determines the dominant character, more frequently found in the population, produces the complete polypeptide, does not require the presence of a similar gene, more likely to be inherited, more prone to produce diseases
recessive- responsible for the recessive character, expresses the recessive trait, produces an incomplete polypeptide, requires the presence of a similar gene, less likely to be inherited, less prone to produce disease
The mitosis stops when chromosomes are at the maximum condenstation, it is practically metaphase but the chromosomes are not attached to the spindles so they don't form the equatorial plate.
Earth’s global temperature has changed greatly in the past hundreds of years. This is due to how much energy the planet is receiving from the sun and how it radiates back. Another cause is humans, due to deforestation, burning of fossil fuels, pollution, etc.
