Why do birds eat rocks? Birds eat rocks to grind up their food so that they can digest it more easily. Most birds swallow rocks, and the size of rocks they eat depends on the size of the birds. A small bird like a swallow will have tiny pieces of grit, and a large bird […]
#1292 Why do birds eat rocks? Read More »
Why are some people albino? Some people are albino because they don’t produce melanin, which colors our bodies. However, any living thing that has color can be albino. The condition is called albinism. Anything that has a color pigment can be albino if that pigment isn’t produced. You can get albino fish, insects, birds, mammals,
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How do cities affect animal evolution? Animals have to evolve to survive in cities in numerous ways. They have to cope with the heat, the buildings, vehicles, different food sources, and many other things as well. In the history of our planet, urbanization is a relatively recent concept. The first cities appear to have sprung
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Why do some dragonflies migrate so far? Some species of dragonfly migrate a long way because of temperature and other triggers. How they do it is probably more interesting than why they do it. There are two species of dragonfly that we are going to look at today. The first species is called the Green
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Is there anything that can eat plastic? There are some bacteria that can eat plastic and the larvae of the wax moth can also digest plastic. However, they cannot digest all plastics and they take a long time. There is nothing that can eat all plastics. The main problem with plastic is the main reason
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Why do koalas eat eucalyptus leaves? Koala have evolved to eat eucalyptus leaves because it is the most abundant source of food where they. They question might be, have the evolved to eat the food where they live, or have they moved to those area because it is abundant in the food they can eat?
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Is earwax actually wax? No, ear wax isn’t actually wax. It is similar in consistency and texture to wax, which is why it is called wax, but it isn’t actually wax. Let’s look at what earwax is and what wax is. Earwax is technically called cerumen, which is the Latin word for wax. It is
#1238 Is earwax actually wax? Read More »
How do cats land on their feet? Cats land on their feet because they have an inbuilt mechanism called the “righting reflex”, which very quickly tells them which direction they are pointing in and to reorient themselves. Cats are famous for always landing on their feet. We all know that a cat dropped from almost
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Why do we yawn? There is no single clear reason why we yawn because we yawn at many different times for many different reasons. Yawning is an involuntary response, in that it happens without us thinking about it and we cannot stop once we have started, just like sneezing. In a yawn, we gradually open
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Why do moths fly into candles? Moths fly into candles because they are trying to keep their back to the light so that they don’t fly upside down and they fly into the candle by accident. There are several theories and the most prevalent theory is that they mistake the light for the light of
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