How do snakes use their tongues? They flick them in and out to pick up chemicals off the ground and from the air. Snakes are not the only reptiles that use their tongues to detect things. Lizards have the same kind of tongue that they use to monitor the environment around them. A lot of […]
#1081 How do snakes use their tongues? Read More »
Why don’t army ants make nests? Army ants can clear an area of insects and food in a few days, so they have to keep on the mood to find more food. Most species of ants build complex nests that have interlocking tunnels and chambers for different purposes. They have places to keep their larvae,
#1071 Why don’t army ants make nests? Read More »
Why don’t bats get sick? Because their immune response doesn’t cause much inflammation, because they have proteins that stop the viruses leaving their cells, and because the viruses have evolved to live with them. Bats do get sick and some viruses are lethal to them. They also carry a lot of viruses that can jump
#1066 Why don’t bats get sick? Read More »
Why are coconut crabs so big? Coconut crabs are big because they need enough power to be able to crack coconuts. Coconut crabs live on islands in the Indian and Pacific Ocean. They are enormous. They weigh about 4 kg and they have a leg span that can be over 1 m. They are not
#1052 Why are coconut crabs so big? Read More »
Which came first, the chicken or the egg? It depends on how you think about it, but the egg came first evolutionarily. Chickens were domesticated about 10,000 years ago and eggs evolved about 350 million years ago. This is one of those questions where the point is not the answer, but the thought process along
#1051 Which came first, the chicken or the egg? Read More »
What are tails for? Animals have tails for several different reasons. They use them for balance, to grip things, for motion, as weapons, to lose heat, to communicate, and to keep flies off. The majority of mammals, birds, and reptiles have tails, but not all do. Some insects have tails as well. Out of the
#1047 What are tails for? Read More »
Why are flamingos pink? Flamingos are pink because of all the carotenoids that they eat. Flamingos are famous for sleeping on one leg while standing up, for eating upside down, and for being a brilliant shade of pink. However, when they are born, they are a slightly off-white color. They take on their pink color
#1043 Why are flamingos pink? Read More »
Why do snails have teeth? They use their teeth to scrape away pieces of food. Snails are not the only gastropods that have teeth. Slugs basically evolved from snails and they have teeth as well. Both slugs and snails have thousands of microscopic teeth. Depending on the size of the snail, they can have over
#1041 Why do snails have teeth? Read More »
Why do male seahorses give birth? Male seahorses give birth because it gives the female time to make more eggs. All living organisms have to reproduce in order to keep their DNA going. However, they don’t all reproduce in the same way. There are two types of reproduction: sexual and asexual. There is only one
#1039 Why do male seahorses give birth? Read More »
Why did we lose all our fur? There are several hypotheses, but probably so that we could cool down more easily. However, nobody knows the actual reason why we lost our fur and there is no way of knowing when we lost it, as well. We are the only hairless ape, but we are obviously
#1036 Why did we lose all our fur? Read More »
