Why do Monarch butterflies migrate so far? Monarch butterflies migrate for thousands of kilometers because they can’t survive the cold winters. We know that many species of birds navigate when the weather gets too cold. We are familiar with seeing different bird species in the summer and the winter where we live and we know […]
#1140 Why do Monarch butterflies migrate so far? Read More »
Why are there so many camels in Australia? There are so many camels in Australia because they were shipped over to make exploring the interior and laying telegraph lines easier. When you think of camels, you probably think of hot African desert countries, probably around the Sahara Desert. Well, you are not wrong. The country
#1136 Why are there so many camels in Australia? Read More »
What happened to the dodo? The dodo went extinct in 1662 because of hunting and the introduction of invasive species. We all know the saying, “as dead as a dodo,” but where does it come from? Well, interestingly, “dead as a dodo” doesn’t appear until 1904 and is probably an adaption of “dead as a
#1134 What happened to the dodo? Read More »
How does the color of a bird’s wings help it fly? Many birds that soar and glide have wings that are darker on the top than on the bottom because radiated heat helps them to fly. Birds usually have wings that are a different color on the top to that on the bottom. The general
#1127 How does the color of a bird’s wings help it fly? Read More »
Why do peacocks have such long tails? A peacock’s tail is so long because it confers a large advantage when trying to find a mate. A peacock’s tail (which is also called a train) is a good example of the balance that means evolution sends a species one way or another. Large tails in peacocks
#1121 Why do peacocks have such long tails? Read More »
Why do some fish create their own light? Some fish create their own light to attract prey or, surprisingly, to hide from predators, and many other reasons as well. Being able to create light is called bioluminescence and it is not limited to just fish. The most common organism that creates light on land is
#1115 Why do some fish create their own light? Read More »
Do larger animals have a faster metabolism? No, bigger animals don’t have a faster metabolism. It tends to be the exact opposite. Let’s look at what metabolism is. The metabolism of an organism refers to all of the chemical processes that go on within the cells to keep that organism alive. There are three main
#1113 Do larger animals have a faster metabolism? Read More »
Why do teeth have nerves? We have nerves in our teeth to provide us with feedback on what we are eating and how much pressure we are applying. Teeth appear to have nerves for three reasons. The first reason is because the inside of the tooth is living tissue with a blood supply and where
#1099 Why do teeth have nerves? Read More »
How good is an elephant’s sense of smell? Elephant’s have a better sense of smell than any other animal on Earth. We know that our sense of smell is pretty basic when we compare it to a lot of other animals, but that makes sense because we have evolved for more of our brain to
#1098 How good is an elephant’s sense of smell? Read More »
What is a syrinx? It is the organ that birds use to produce sounds and their birdsong. Birds make sound in a different way to us. We use our larynx and they use their syrinx. Both of these words have come from Greek and larynx means “upper windpipe” and syrinx means “pan pipe”. The larynx
#1094 What is a syrinx? Read More »
