As blue whales migrate, they move between areas of high and low sunlight intensity. When they are in areas darkens in color. What could be the reason?
Ο Α.
The genes for melanin pigmentation remain turned on and prepare more melanin than usual to
damage when it is exposed to sunlight for long time.
O B.
The genes for melanin pigmentation remain turned off and synthesize more melanin than usualt
photo-damage when it is exposed to sunlight for a long time.
OC. The genes for melanin pigmentation are switched off to stop the synthesis of melanin to protect th
when it is exposed to sunlight for a long time.

All other things being equal the size of a population will decrease if

Waste water from industries and domestic sources can be treated by chlorination or ultraviolet radiation. there are pros and cons to using either chlorine or uv radiation to kill harmful microorganisms. what is one reason chlorination would be preferred over ultraviolet radiation? a) chlorine only eliminates visible impurities and is ineffective against microorganisms. b) chlorine not only kills bacteria but provides a residual effect on returning microorganisms. c) uv radiation can be used only to treat drinking water and is ineffective in treating waste water. d) ultraviolet radiation is more effective

What is the purpose of a punett square? a: finding the number of offspring people can haveb: predicting the outcome of genetic crosses c: finding how many genes a person has d: predicting the outcome of a coin toss (i think it's b or c but i'm not sure)