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Readme [11.4K]
3 years ago
11

What was the ecosystem from which the first terrestrial animals emerged?

Biology
2 answers:
Advocard [28]3 years ago
5 0
Terrestrial ecosystems (tetrapods)
Diano4ka-milaya [45]3 years ago
3 0
Carboniferous
However, the anatomy of the first tetrapods reveals that they remained subservient to the aquatic habitats present on the continents (rivers, streams, ponds) in order to integrate literally terrestrial ecosystems only from the Carboniferous (-345 million years).
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Insects, such as water striders, and spiders, such as fisher spiders, can glide or scamper across the surface of water. These critters are small enough that their weight can be supported almost entirely by surface tension, the relatively weak forces that hold water molecules together.




Surface tension of water helps creatures(mostly of insecta class such as water striders) to walk on water. ... it also helps water to move up the xylem tissue of higher plants without breaking up
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2 years ago
Why are there no samples of rocks from the early Precambrian era?
xenn [34]

Answer:

The correct answer is -  D. All rocks were molten in that time period.

Explanation:

The early Precambrian era began 4.6 billion years ago. The formation of eath start from this era with dust and gas. The atmosphere at that time was too hot. It was like hades. The rocks were molten and appear to like an ocean of rocks.

Due to the molten rocks, there are no samples of rock from this area as it was too hot to be formed. There were boiling sulfur and gases were everywhere.

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3 years ago
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KATRIN_1 [288]
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Bogdan [553]
What is the question you have?
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Which best describes reproduction​
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