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polet [3.4K]
3 years ago
15

What is the largest and most diverse group of seedless vascular plants are the:?

Biology
1 answer:
AVprozaik [17]3 years ago
4 0
Ferns are the largest, seedless, and vascular plants. These plants are also really ancient dating back to before dinosaurs roamed the earth. 10000 known extant varieties of ferns exist. 
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<h3>Briefing:</h3>

The human heart's cardiac cycle includes two phases: ventricular relaxation and atrial contraction. The right ventricle has low pressure when the right ventricular systolic pressure is frequently less than 30 mm Hg. The left ventricle has a thicker wall and more muscle mass than the right ventricle as a result of the blood flowing at a high pressure. The expansion of the aorta causes a rise in blood volume and blood pressure.

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