How do compound eyes work? Compound eyes work by having a large number of microscopic eyes that each have a lens and see an image, which then gets combined in the brain. Most of the insects that have eyes have compound eyes. The only insects that don’t have compound eyes don’t really have eyes at […]
#1388 How do compound eyes work? Read More »
Why do dogs pant? Dogs pant to lose heat because they don’t have as many sweat glands as we do. Many animals have different ways of losing heat. We have evolved to be able to lose a lot of heat through our skin. We have roughly 2 to 4 million sweat glands all over our
#1386 Why do dogs pant? Read More »
How do ants act as a superorganism? Ants are a superorganism because all of the individual ants function together as a single being. They all have different roles and functions, just like the cells in our bodies do. Ants are not the only beings that act as a superorganism. Any species where all of the
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How do bats use echolocation? Echolocation works on the same principle as sonar in a submarine, but bats have special adaptations to be able to use it. The principle behind echolocation and sonar is that you send a sound wave out and then measure how long it takes to come back to you and the
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How does insect repellent work? Insect repellents work by either preventing the insect from detecting the signals given off by people or by using chemicals that insects don’t like. Insect repellents don’t have to repel all insects. They are generally designed to repel those insects that bite us. These are mostly mosquitoes, midges, ticks, and
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What is the last common chimp-human ancestor? The last common chimp-human ancestor was probably about seven million years ago, possibly, although there are no remaining fossils of this animal. It is often mistakenly said that humans evolved from chimpanzees, but this is not the case. Both chimpanzees and humans evolved from a common ancestor in
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How do bears get enough food? Bears are able to find enough food because they have an incredible sense of smell, excellent vision, and they can eat almost anything. This is a slightly difficult question because there are lots of different types of bears and they are all different sizes. The polar bear is obviously
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Why are muskox invisible to satellites? Muskoxen are invisible to heat detection cameras on satellites because they are extremely well insulated by their fur. Muskox are called muskox because of the smell the males produce during mating season. They have a gland called the preputial gland which produces a strongly scented fluid. The preputial glands
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What was an auroch? An auroch is a type of wild cattle that went extinct during the Bronze Age. It is probably the wild ancestor of modern domestic cattle. There is a lot of talk about trying to bring aurochs back from extinction, but I don’t know if that will happen. The word auroch comes
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What is Agent Orange? Agent Orange is a herbicide that is also a defoliant. That means it makes trees lose their leaves. Agent Orange got its name because the 55 gallon barrel it was stored in had an orange band around it. The US military used several different types of herbicides and they all had
#1332 What is Agent Orange? Read More »
