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Fossils of fish appeared approximately 500 mya during the what?

Fossils of fish appeared approximately 500 million years ago during the Cambrian period. This period saw the rapid diversification of life forms in the oceans, including the development of early fish species.


Did sexual reproduction evolve after the first multicellular organisms appeared?

Sexual reproduction likely evolved before the first multicellular organisms appeared. It is believed to have originated in single-celled organisms as a way to increase genetic diversity and adaptability. The transition to multicellularity then allowed for more complex forms of sexual reproduction to develop.


Where can you find fossils from the cambrain period?

There are a few notable dig sites that have very well preserved fossils from this period. The best sites of the Cambrian period are:Maotianshan Shales (Chengjiang) 515 Mya Yunnan Province, China Sirius Passet 518 Mya Greenland Emu Bay Shale 513 Mya South Australia Kaili Formation513-501 Mya Guizhou province, south-west China Blackberry Hill~510-500 Mya Central Wisconsin, US Wheeler Shale(House Range) 507 Mya Western Utah, US Burgess Shale 508 Mya British Columbia, Canada Kinnekulle Orsten and AlumShale 500 Mya Sweden ÖlandOrste and Alum Shale 500 Mya Sweden


How did the Cenozoic era begin?

The Cenozoic Era is currently divided into 3 Periods and 7 Epochs. There is even an argument at the moment for an 8th Epoch,The Cenozoic Eta (65.5 Ma - Now)Paleogene Period (65.5 - 23.03 Ma) Paleocene Epoch (65.5 - 55.8 Ma)(65 mya to 55 mya - Rise of Mammals)Eocene Epoch (55.8 - 33.9 Ma)(55 mya to 38 mya - Saber Tooth Cats, Primitive Horses)Oligpcene Epoch (33.9 - 23.03Ma)(38 mya to 25 mya - First Primates)Neogene Period (23.03 - 2.588 Ma)Miocene Epoch (23.03 - 5.332Ma)(25 mya to 5 mya - Apes)Pliocene Epoch (5.332 - 2.588Ma)(5 mya to 2 mya - First Man)Quaternary Period (2.588 Ma - now) Pleistocene Epoch (2,588 - 11.7 Ka)(2 mya to 10,000 years ago - The Rise of Man)Holocene Epoch (11.7 Ka - Now)(10,000 years ago to present - Modern Man)mya=million years ago


When did Phylum Chordata first appear?

Phylum Chordata first appeared over 500 million years ago during the Cambrian period in the early Paleozoic era. It includes vertebrates such as fish, amphibians, reptiles, birds, and mammals, making it one of the most diverse and successful groups of animals on Earth.

Related Questions

Who died first messy mya or magnolia shorty?

Messy mya


What actors and actresses appeared in Universo de Mya - 2010?

The cast of Universo de Mya - 2010 includes: Raquel de Oliveira as Mya 4 Joana de Verona as Mya 3 Filipa Duarte Catarina Wallenstein as Mya 1


Who is the publicist for mya?

Mya's publicity is handled by The Purple Agency, and her personal publicist is Deryck Vanderbilt-Nicholson. Mya released her first album in 1998.


When bone first evolved in vertebrates what structure did it form?

1. Bony Exoskeleton (480 mya) 2. Jaws (440 mya) 3. Bony Endoskeleton (410 mya) 4. Limbs capable of moving on Land (365 mya) 5. Amniotic Egg (345 mya)


Fossils of fish appeared approximately 500 mya during the?

Cambrian


When did the first unicellular life begin?

About 3500 mya.


Where is Mya's first shopping bag in woozworld?

It should be in the Woozworld plaza but it is not there then i looked it up and it said late night with mya .... so it might be there


Where is the first shopping bag on woozworld?

mya wooz tv


When did the dinosaurs appear?

Around 265 Millon Years Ago (MYA)


How tall is Mya Diamond?

Mya Dark is 5' 7".


How did the mya die?

Well he started mess talking about some chick from hollywood than she said she wanted her round around messy mya back and messy mya had fourt one of her reltive and put it on face book so the chick got her man to shoot messy mya but thats not it..........they have more on facebook go on messy mya page and yall see more


Where is all mya's passport pieces on woozworld?

you have to do all the quizes first