Alex looked at an electric toothbrush that had a plug with three metal prongs. Why are these prongs made out of metal?

6. Why is crossing over, or recombination, in meiosis a genetic advantage for a n organism? Why is crossing over an advantage for a geneticist

Which describes a disadvantage of sexual reproduction? a. inherits traits for better survival b. has variation in genetic backgrounds c. takes longer for new individual to develop d. is genetically identical to parent

How is osmosis similar and different to diffusion?

What do catalytic converters do? convert gas engines to electric improve a car's gas mileage remove pollutants from the air remove pollutants from car exhaust

Red blood cells live for about one year. TrueFalse

What is the state in which particles or a substance are mixed with fluid but are undissolved

How many significant figures should the products 62.25 37.4 have

How can biotechnology decrease or increase variation?

Photoperiodism and flowering use the data in the table below to determine whether each plant is a short-day plant, a long-day plant, a day-neutral plant, or a plant that cannot be classified based on the data. description plant a plant b

The alkali metals make up which group of the periodic table?