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pressure and heat
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What link do seed ferns represent in fossil record?
The first fossil records of vascular plants that is land plants with vascular tissues Fossil ferns and seed ferns include Pecopteris Cyclopteris
What were fossil tree ferns?
Ancient plants.
Why are there no fossil ferns or primitive pine trees?
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What afctors have turned ferns into fuels over thousands of years?
Ferns, along with other plant materials, have transformed into fossil fuels over millions of years due to a combination of factors. Key processes include the accumulation of plant matter in anaerobic environments, where decomposition is limited, leading to the formation of peat. Over time, geological pressures and heat cause physical and chemical changes, converting peat into coal, oil, or natural gas. Additionally, the specific conditions of sedimentation and geological activity have influenced the types and locations of fossil fuel deposits.
How do ferns that lived millions of years ago provide energy for us today?
The ferns have been compressed into 'coal' and we use coal as a source of energy - hence 'fossil fuels'.
How long has moss been on Earth?
Ferns appeared in fossil records about 360 million years ago.
WHAT FACTORS TURN FERNS INTO FOSSILS?
Usually volcanic eruptions and age.
Giant fossil ferns have been found in Canada Which conclusion can be drawn from this discovery?
Canada once had a much warmer climate.
What type of fossil fuel is made from trees ferns mosses and other marsh plants?
It is coal
What continents was a fern located on?
Ferns and their fossil remains have been found on every continent
What ancient plants were called seed ferns?
The plants known as seed ferns were ancient, fern-like plants that produced seeds instead of spores for reproduction. They thrived during the Paleozoic and Mesozoic eras, with fossil evidence indicating they were widespread and diverse. Despite their name, seed ferns were not true ferns, but early gymnosperms that eventually gave rise to modern seed plants.
The onandaga also contains fossils of crinoids coral trilibites and brachiopods. Why are there no fossil ferns or primitive pine trees?
The absence of fossil ferns or primitive pine trees in the Onondaga Formation is likely due to the specific environmental conditions during its formation, which occurred in a marine setting approximately 375 million years ago. During this time, the area was dominated by shallow seas, where organisms like crinoids, corals, trilobites, and brachiopods thrived. Ferns and primitive pine trees, being terrestrial plants, would not have been present in these marine environments, leading to their absence in the fossil record of this formation.
