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I know typical penguins have a stained yellowish-brownish color due to urine and feces. In the winter months while the mother is away getting food, the males will huddle together to stay warm; therefore, when they urinate or have a bowel movement, they stay in one place. Only to humans is that "gross".

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16y ago

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Is a macaroni penguin an autotroph or a heterotroph?

All penguins are heterotrophs, including Macaroni penguins.


What color are buttercup flowers?

Buttercup flowers are typically yellow in color, ranging from pale yellow to a vibrant golden yellow.


What color is gold?

This color (of gold) is approx. yellow.


What are the colors in the color wheel in order?

Yellow (primary color) Yellow-Green (tertiary color) Green (secondary color) Blue-Green (tertiary color) Blue (primary color) Blue-Purple (tertiary color) Purple (secondary color) Red-Purple (tertiary color) Red (primary color) Orange-Red (tertiary color) Orange (secondary color) Yellow-Orange (tertiary color) (and then you are back at yellow)


Why can't colour be used to identify minerals?

It can be a helpful start, but color is a tricky thing in mineralogy, since small impurities can change the color of a mineral. I always say it like this: when you think of macaroni and cheese, you always think of it being yellow. A nice bowl of yellow macaroni and cheese (mmm!). Do you use color to identify it? Sure, but you use other things, too: smell, taste, composition (it's noodles and cheese), and such. But how about if you dropped a bit of blue food coloring in the bowl? Suddenly you have blue macaroni and cheese. It looks weird, sure, but does it smell different? no. Does it taste different? No. Is the composition different? Not really (a small drop of food coloring is added, but what is a drop compared to a whole bowl?). All in all, it's still just a bowl of macaroni and cheese. But if you were just using color, you would have said it wasn't, because mac and cheese "is usually yellow". That "usually" is the kicker which can give a geologist a head start, but it's not an absolute. The drop of food coloring is like little chemical impurities or additions in minerals which can give them another color without really changing their composition or chemistry (this is why quartz has so many color varieties [citrine, amethys, rose, smoky] but at the end of the day they're all just quartz, SiO2)