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Would You Expect To Find A Fossil Of A Sponge

Would you expect to find fossil sponge? Explain. no because sponge is different. it is a soft spongy animal.

but some palaeontologists are not convinced it’s real.

and the most basic of them all.

Are there sponge fossils?

Sponges, members of the phylum Porifera, are one of the simplest multicellular animals living today. They’re also among the oldest, with a fossil record extending back to the last part of the Precambrian, about 550 million years ago. Sponge fossils occur in rocks all over the world.

Where are sponge fossils found?

Earliest Fossil Sponges The precambrian era spanned millions of years, so it is hard to say exactly when the first sponges existed. Many specimens of fossil sponges are found in sites in North America, most notably sites in Canada Texas, and Utah. Sponges are also described from the Chengjiang biota of China.

Do sponges leave fossils?

890-million-year-old sponge fossil may be the earliest animal yet found. A set of curious fossils may be ancient sponges—relatives of the great bathing sponge shown here—which would make them the oldest fossilized animals ever found.

How are sponge fossils formed?

Finally, students place sponges into Epsom salt solutions. They observe as the solution travels through the sponges. After the sponges have dried, they see salt crystals that formed inside the holes of the sponges, forming a petrified fossil of the sponge.

What is the oldest fossil on record?

The oldest known fossils, in fact, are cyanobacteria from Archaean rocks of western Australia, dated 3.5 billion years old. This may be somewhat surprising, since the oldest rocks are only a little older: 3.8 billion years old!

What’s the oldest sea sponge?

So far, the oldest fossilised traces of sponges in ancient rocks date to around 540 million years old, placing them at the beginning of the Cambrian — a period when evolution kicked into high gear and produced an extraordinary diversity of animals.

Are sponges the oldest animal?

And more than a decade ago, scientists detected fossilized traces of what appeared to be a fat compound, or sterol, from ancient sponges dating to 635 million years ago, seemingly representing the oldest known example of animals.

Where was fossils of early sponges have been discovered?

But according to a paper published today in Nature1, sponge fossils from northwestern Canada could be 350 million years older, significantly pushing back the date of Earth’s earliest-known animals.

More Answers On Would You Expect To Find A Fossil Of A Sponge

Would you expect to find a fossil sponge? – Answers

Would you expect to find a fossil sponge? Wiki User. ∙ 2012-04-25 01:36:13. Study now. See answer (1) Best Answer. Copy. yes because their are lots of them so you would find some. Wiki User. ∙ …

Sponge Like Fossils Could Be Oldest Animal Ever Found, or Just …

Jul 28, 2021Critics challenged a study’s claim that a netlike structure found in rocks in a Canadian mountain range could be an 890-million-year-old sponge fossil. Give this article A magnified view of the…

890-million-year-old sponge fossil may be the earliest animal … – Science

890-million-year-old sponge fossil may be the earliest animal yet found The mesh-like fossil would push back the oldest known animal on Earth by more than 300 million years. But like many claims of…

Would you ever find a fossil sponge? – Answers

Would you expect to find a fossil sponge? yes because their are lots of them so you would find some Would you find a sponge in a coral reef? yes Why can you not find every type of organism that…

890-million-year-old sponge fossil may be the earliest animal yet found …

890-million-year-old sponge fossil may be the earliest animal yet found The mesh-like fossil would push back the oldest known animal on Earth by more than 300 million years. But like many claims of very old life, the study is kicking up lively debate. By Maya Wei-Haas Published 29 Jul 2021, 13:16 BST

Sponge-like fossil could be Earth’s earliest known animal

Sponge-like fossil could be Earth’s earliest known animal Fossil discovered in northwestern Canada could rewrite the early history of animal life — but some palaeontologists are not convinced it’s…

First sign of animal life on Earth may be a sponge fossil

Scientists believe life on Earth emerged around 3.7 billion years ago. The earliest animals appeared much later, but exactly when is still debated. Until now, the oldest undisputed fossil sponges …

This Sponge Fossil May Be the Earliest Record of Animal Life

Embedded in the cliff faces were 890-million-year-old keratosan demosponge fossils. Elizabeth Turner, Laurentian University. Not only do Turner’s fossilized sponges suggest that animals endured …

One of the Oldest Known Animals Is This Tiny, Ancient Sponge

March 10, 2015. A scanning electronic microscope image of the 600 million-year-old sponge-like fossil Image courtesy of Zongjun Yin. Sponges seem like humble creatures—especially if you …

Is this a fossil sponge? – Discuss Fossils

The hole down the centre is the The osculum (plural “oscula”) is an excretory structure in the living sponge, a large opening to the outside through which the current of water exits after passing through the spongocoel.

Identification – flint, fossil sponge

The first sponge below is preserved in chalk and is a typical funnel shape. Some fossils may have a textured ring around the top, showing the rough pattern of the sponge’s surface and pores, like in the second photo. Fossil of a sponge (Ventriculites species) that lived in the Chalk sea.

First sign of animal life on Earth may be a sponge fossil

Yet no supporting physical evidence has yet been found until now. “This would be the first time that a sponge fossil has been found from before the Cambrian, and not only before, but way before — that’s what’s most exciting,” said Uppsala University’s Cardenas, adding that the research seems to confirm the molecular clock estimates.

The fossil of the sponge may be the oldest animal … – The Daily Guardian

Most of these estimates suggest that the last common ancestor of all animals living today evolved before the Cambrian explosion, “but not in 350 million years,” according to Cohen. However, you might be convinced that Turner’s specimens are sponge fossils if you see more evidence, including studies of how hot sponges fossilize.”.

Not A Hand But Maybe A Sponge: A Mysterious Glass Fossil … – ScienceDaily

“The tops of branching glass sponges are known from the Devonian period, but they’ve been missing from the fossil record ever since. Or, this could be a very different organism that is unknown to…

The Myth of Precambrian Sponges – Evolution News

Therefore, evolutionists would expect to find such sponges as the earliest animals in the fossil record.

How to find early sponge animal fossils? | Nature Portfolio Ecology …

Small sponge fossils (a) with weakly biomineralized spicules (b). The spicule shown here is demineralized by geological processes so that what is remaining now is organic material and what used to…

chp 33 learning curve bly 122 Flashcards – Quizlet

You find a fossil organism that you think is an animal. Which characteristic needs to be present to determine whether it is a sponge versus a cnidarian? *multiple tissues *multicellularity *complex organ systems *bilateral symmetry. multiple tissues. Connective tissue is formed of loosely connected cells and a large portion of extracellular matrix. The function of each specific type of …

Sponge-like Canadian fossils may be earliest sign of animal life

Jul 29, 2021A Canadian researcher said on Wednesday the fossils, dating to a time called the Neoproterozoic Period, appear to show distinctive microstructures from the body of a sea sponge built similarly to a…

Surprise Fossil-Munching Sponges Found in Arctic Seafloor Wasteland

When they surveyed the Arctic sponge grounds, the researchers also discovered tiny shrimp, small worms and pudgy sea stars. Even tufts of deep-sea coral poked out from the fossil-eating sponges below.

Solved Need help answering, thanks 1. In 2015, a fossil | Chegg.com

In 2015, a fossil sponge was found in China that was dated to 600 million years old – the oldest animal fossil found. The half-life of 238 U is about 4.5 billion years. What percentage of the 238 U from this fossil would you expect to be remaining?

Sponges: Origins | the Shape of Life | The Story of the Animal Kingdom

Dr. Cristina Diaz demonstrates how quickly sponges filter water to obtain food by injecting a colored dye just outside the sponge and watching how quickly the sponge pumps out the dye. We go on a wild ride inside the sponge through holes, tunnels and chambers. Sponges also use their pumping to reproduce: they pump sperm and eggs into the water.

These fossils could represent the oldest animals ever found

The remains were perhaps left by sponges that died nearly 900 million years ago, but much remains uncertain. A new study suggests newly identified fossils may be 890-million-year-old remains of …

PDF

What You’ll Do Make sure you use clean sponges for this activity. Get creative by cutting your sponges into fossil shapes, such as a bones and leaves. We’re using two common household minerals in this experiment: Epsom salt, or magnesium sulfate, and Borax, or sodium tetraborate. Solution 1: Epsom Salt • With an adult helper, add 1 cup of very warm water to a medium bowl. • Add 1/3 cup …

Oldest evidence for animals found? New sponge-like fossil is 890 …

There are other pictures as well, but the first two are the heart of the matter. You may not think they look like much, but they do show the interconnecting, ramifying tubules with the light-colored calcite crystals typical of some groups of sponges. The area where these putative fossils are found is 890 million years old.

Solved Would you expect that an earthworm belongs to the | Chegg.com

Shell morphology: Polyplacophora scaphopoda Gastropoda Bivalvia Cephalopoda Expert Answer 100% (1 rating) Question 1. We do not expect the earthworms belong to the same phylum as specimen centipedes, sponges, starfish , jellyfish and spider. This is because all have different methods of … View the full answer Previous question Next question

Why most fossils of cnidarians are coral fossils. Would you expect to …

Would you expect to find a fossil sponge? Wiki User. ∙ 2016-01-26 18:46:03. Add an answer . Want this question answered? Be notified when an answer is posted. ? Request Answer. Study guides …

Why are most fossils of cnidarians Coral fossils would you expect to …

Why are most fossils of cnidarians Coral fossils would you expect to find a fossil sponge? Wiki User. ∙ 2016-09-15 20:55:46. Add an answer. Want this question answered? Be notified when an …

Interesting flint fossil – is it a kind of sponge? – Discuss Fossils

I found a fossil that reminds me strongly of this one I posted about in September, because of the central array of parallel filaments. With my normal vision I can see these filaments in the centre of the circle descend in parallel into the stone, but it’s not easy to photograph as the camera won’t focus on that. On this more recent fossil find the framing structure around the filaments …

Sponge Like Fossils Could Be Oldest Animal Ever Found, or Just …

Jul 28, 2021If verified, they would predate the oldest undisputed sponge fossil by about 350 million years — a span of time longer than today and when dinosaurs first evolved.

First sign of animal life on Earth may be a sponge fossil

The dating of adjacent rock layers indicates the samples are about 890 million years old, which would make them about 350 million years older than the oldest undisputed sponge fossils previously …

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