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 […]
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How big was the giant sloth? The giant sloth’s scientific name is Megatherium americanum, and they were about the same size as an elephant. We are very used to the two different types of sloth that we have on Earth today. They re divided into two-toed and three-toed sloths depending on … wait for it
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Why are bird nests s strong? The way that birds build nests depends very much on the birds. Different birds use different materials, different methods, and some birds don’t even build nests at all. However, the nests that birds build in trees tend to be strong because of their saliva. Birds that don’t build nests
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Why is a pronghorn so fast? The pronghorn evolved to have phenomenal speed so that it could outrun predators that no longer exist. A pronghorn is a hoofed mammal that lives in Western and Central North America. It belongs to the artiodactyl family. This family contains antelopes, hippos, deer, giraffes, camels, and 265 other animals.
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What do mitochondria do? Mitochondria produce almost all of the chemical energy that cells need for all of their functions. Without the mitochondria, we can’t do anything. The word “mitochondria” was created in 1898 by a microbiologist called Carl Benda. He took the Greek word “mitos”, which means “thread”, and “khondrion”, which means “little granule”.
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How do circadian rhythms work? Your circadian rhythm is governed by a small group of cells in the center of the brain called the suprachiasmatic nucleus. Most living organisms has a circadian rhythm. It governs the processes of the organism and sets a cycle over a 24-hour period. The word “circadian” is from the Latin
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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
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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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