Scientists at Edinburgh University think they may have discovered one of the first complex animals to have ever lived on Earth. These are known as Prokaryotic cells. All modern humans belong to the species known as Homo sapiens that evolved from earlier species of hominids. Perhaps one of the oldest fish on earth, Hanako lived to a ripe old age of 226. We’re continuing our series of geography riddles for kids today with five where the answer is the planet Earth. All living things have adaptations, even humans. Maeve, age 8, has a question that has stumped many scientists over the years.

And yes, the crocodile is different from the alligator—gators have wider snout, and live in freshwater environments, while crocs have U-shaped snouts and live in saltwater. The scarlet koi died in 1977 and scientists used the rings on her scales to accurately estimate her age. To use the final idea with your children, read them the clue on the first … Earth Facts For Kids. The comb jelly (which, at first glance, is more intriguing) was previously thought to be the first animal on Earth, but the new paper’s authors argue that life went back much, much further. And that’s because it’s a surprisingly tricky question to answer. Animals can certainly have big effects on the planet. By 1948, the U.S. decided to send the next V2 rocket and they included a Rhesus monkey, by the name of Albert I. Some of the other planets have atmospheres, seasons and even water, but only Earth combines all these elements in just the right way. Unfortunately, Laika died during the flight. An adaptation is a characteristic of a living thing that helps it survive in its environment. In November 1957, a stray dog named Laika became the first living thing ever to be sent into space, onboard the spacecraft Sputnik 2.Sent by the USSR, the dog safely orbited Earth for seven days, proving that it was possible for a creature to survive the stress of a launch into space and to be able to live there for at least a week. They were absolutely tremendous looking creatures, unlike anything we see nowadays. A clever carnivore, the crocodile has many adaptations that have equipped it to last on Earth for 55 million years, including a valve that allows the reptile to open its jaws underwater—the better to eat prey with. The first Earth Day was celebrated in 1970, when a United States senator from Wisconsin organized a national demonstration to raise awareness about environmental issues. It is the fifth largest moon in the Solar System. We live in a very special place, a place we call home…and that’s Earth! Animals flew into space before the first human astronauts. The average distance from the Moon to the Earth is 238,857 miles (384,403 kilometers). Sea sponges were the first animals on Earth, scientists discover | The Independent Subscribe now This is when a space body orbits a planet, a planet-like object, or an asteroid. Read our facts about Earth and review our question sheet in the activity section at the end to test your knowledge of our wonderful home planet! She was launched on the Soviet Union's Sputnik 2 mission in November 1957. This was only found out in 2008 and up till them scientists had thought that the humble sea sponge was the first animal on Earth.

We mentioned already that the Moon is the Earth’s only natural satellite. PLANET EARTH – OUR PLANET. As a kid, lots of us had been interested in dinosaurs (wildest first animal on earth).