Vida en la Tierra

The video explains the history of life on Earth, starting from a time when the planet was devoid of any living organisms. It describes the emergence of simple life forms in the oceans, followed by the evolution of plants and animals. Over billions of years, life diversified, leading to the rich biodiversity we see today, including the appearance of humans.

What was the state of Earth millions of years ago?

• It was full of plants and animals.

• It had only human beings.

• It was completely lifeless.

• It was covered in ice.

Where did the first simple life forms exist?

• On land

• In the oceans

• In the air

• On other planets

What was the first complex life form to appear on Earth?

• Fish

• Mammals

• Insects

• Birds

Which sequence correctly describes the order of life appearance on Earth?

• Plants, animals, humans

• Animals, plants, humans

• Animals, humans, plants

• Humans, plants, animals

How did the Earth change over time?

• It became full of life.

• It became colder.

• It became a desert.

• It became smaller.