0
We don't know that for sure. There are many people involved in finding life on other planets. The type of carbon based life that Earth supports needs certain things to survive such as water, oxygen, a certain temperature, etc. Some people think all life needs this and so they are looking for planets with like conditions. Some people think life can be in different forms and that there could even be aliens here on earth with us. Some people don't think there are aliens anywhere and that we are the only life in the universe. We just don't know.
What else can I help you with?
How is the moon not the same as the earth?
Its Obvious, everyone knows that you can't live on the moon, Earth is the only planet to have people, animals and plants on it.
Was there a time where there were only animals on Earth?
Depends what you mean by 'animals'.
The only planet with plants and animals?
The only planet that we know of with plants and animals is Earth.
What are the noisest animals on earth?
people
Which weeds help plants animals people and the earth?
What
Are vertebrates the only types of animals on Earth?
No there is also non-vertebrates which mean they don't have a spine
If no animals would you people still be on earth?
no, Animals are important in maintaing eco systems. Animals help to regulate isect population, lant growth and soils. However more important are the insects, in fact if only the insects all died, all the animals on earth would die within 50 years. However if all humans died life on earth would flurish.
What allows people and animals to survive on Earth?
Water allows people and animals to survive. With out water, all life on Earth would die. Even plants could not live.
Are snakes eating mostley people or only animals?
Animals.
Are there more people on earth than animals?
Yes, there are more people on Earth than animals. The global human population is estimated to be over 7 billion, while the total number of animals on Earth is much harder to determine and varies greatly depending on the species.
How many animals, people and plants were and are on earth?
Once in Noah's time that there were a pair of each animals.
Why can people walk on earth?
Gravity and our evolution as bipedal animals.
