The answer is 'Cambrian' explosion. This took place approximately 541 million years ago. 'Explosion' refers to the evolution of a large range of new major animal phyla. Scientists know this by the large number of diverse fossils from this period. Prior to this period, organisms were single-celled, but over the Cambrian Explosion, lasting about 80 million years, life forms diversified rapidly to resemble the life forms existing today.
…………………………………………….,.,.,,.,,,,.,,.,,.,.,.,.,,,
Answer:
False
Explanation:
so they hanging walls above the plane of the fault (and over your head and the footwall is below the plane of the fault (and is under your feet)
"Their habitats may range from the surface water to the ocean trenches. Marine organisms are classified<span> by how they move and where they live."
Hope This somehow helps~
</span>
