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When did seedless vascular plants evolve?
The first seedless vascular plants evolved over 439 million years ago during the Silurian period. These early vascular plants developed the ability to synthesize lignin which gave them support.
A paleontologist finds a plant fossil that shows evidence of a vascular structure What can the paleontologist conclude plants?
it was a land plant -apex
What are the symptoms of premature atrial contractions and how can they be identified?
Premature atrial contractions (PACs) are irregular heartbeats that can cause symptoms such as palpitations, fluttering in the chest, and a feeling of a skipped heartbeat. They can be identified through an electrocardiogram (ECG) or a Holter monitor, which records the heart's electrical activity over a period of time.
What importance do vascular plants have to humans?
1. Vascular plants are very tall so the non-vascular plants are food for them. 2. The spore-producing plants provide food for humans.3. And vascular plants provide shade for other plants during hot, dry seasons.
What came after the Ordovician period?
The Silurian period followed the Ordovician period.
The Devonian period corresponds to the diversification of seedless vascular plants?
true
During which period did eurypterids swim the oceans and the first jawed fish and vascular plants evolve?
Silurian period
When did vascular plants most likely evolve What is the evidence for the time scale?
Vascular plants most likely evolved around 400-450 million years ago during the Ordovician period. Fossil evidence, including early vascular plant fossils such as Cooksonia, suggests that these plants emerged during this period. Additionally, molecular clock studies also support this time frame for the evolution of vascular plants.
Why is the last half of the 16th century identified as the Elizabethan period?
Because it was the period in which Queen Elizabeth ruled...
What plants first developed during the Sirulian period?
During the Silurian period, plants such as the first vascular plants, including ancestors of modern ferns and mosses, evolved. These plants were some of the earliest to develop vascular tissue, allowing them to transport water and nutrients throughout their structures. They played a crucial role in shaping terrestrial ecosystems during this time.
What period of the paleozoic Era did the first vascular plants invade the land successfully and became widespread?
The first vascular plants invaded land successfully and became widespread during the Devonian period of the Paleozoic Era. This period is often referred to as the "Age of Fishes" due to the diversity of aquatic life, but it also marked a significant transition for plants colonizing terrestrial environments.
When did seedless vascular plants evolve?
The first seedless vascular plants evolved over 439 million years ago during the Silurian period. These early vascular plants developed the ability to synthesize lignin which gave them support.
Payments of expenses that will benefit more than one accounting period are identified as?
deffered revenue expenditure
In what era did the first vascular plants appear?
The first vascular plants appeared during the Silurian period, about 420 million years ago. These plants had specialized tissues that allowed them to transport water and nutrients throughout their bodies, which was a significant evolutionary advancement.
Who identified the nucleus?
In the early period of the 1900s, Ernest Rutherford became famous for his discovery of the nucleus. He was an English physicist.
Does the megalodon still alive?
The megalodon is only known from fossilized teeth. They date from 25 to 2 million years ago. Megalodon died out during the early Quaternary period of the Cenozoic era.
In the last half of the 16th century why was it identified as the Elizabethan period?
The last half of the 16th century is called the Elizabethan period is because Elizabeth I was the queen. Even though she was not queen for that entire period, she was very influential.
