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If you mean animals as in insects (arthropods), they came in around the Devonian period of the Paleozoic era
If you mean animals as in fish, amphibians etc then they came in at the same time as the arthropods
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∙ 13y ago
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∙ 9y agoMillipedes evolved to be the first land animals. This took place in the Silurian geologic period which was part of the Paleozoic Era.
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∙ 9y agoAnimals first began to invade the land during the Devonian period. It is also called the Age of Fishes. The Devonian period was a part of the Paleozoic Era.
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∙ 14y agoSilurian period
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What were the first animals to invade the land?
the poo
The first animals to invade the land were the?
The first animals to enter land were the invertebrates, followed by some fish which later evolved into amphibians.
What period of the paleozoic Era did the first vascular plants invade the land successfully and became widespread?
Silurian period
Did birds first begin to fly in the pre-Cambrian period?
No. Birds are air breathing vertebrates, there were no air breathing animals in the Precambrian. The earliest bird fossils are found in rocks about 160 million years old in the Jurassic period.
What time period did NASCAR begin?
First race was in 1948. First season was 1949.
Who first invaded India?
Tamerlane invaded India, but he wasn't the first to invade. The first person to invade India was Shun Johan. So Shun Johan was the first to invade India.
Who were the first to invade Rome?
the first invaders ever to invade rome was the huns!!
In which period did the first multicellular organisms begin to leave fossils?
around the 1980s
Do breast develop after your first period begins?
you can develop breasts before you begin your period. however it is more common to develop them after.
Who was the first to invade in World War 2?
who was the first country to invade in world war 2
I'm 12 and haven't started my when should my first period begin?
If you have not had a period ever you can't be pregnant. If you have had sex and have a period you might be pregnant. Talk to your mom.
Who were the first animals to invade the earth were probably?
The Earth has not been invaded. Any invasion of Earth would have to be from beyond Earth, and would therefore be from space.
