Robert Hoole used the name cells to describe their shape and pattern.
Cells - are little rooms enclosed by a wall (just like cells).
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A double helix is <span>a pair of parallel helices intertwined about a common axis, especially that in the structure of the DNA molecule. or in other words a double spiral.</span>
The sporophyte of <u>whisk ferns</u> consists of evenly forking photosynthetic stems that lack roots and leaves.
Whisk ferns are the elementary and simplest vascular plants.
They contain small-sized protuberances which are called ' enations.'
In these plants, a vascular system is present in the center through which the transport of nutrients and other fluids takes place.
Moreover, roots and leaves are absent in these plants and are composed of forklike stems.
To put it simply, these plants have hair-like structures that are part of the rhizomes. These structures are called rhizoids.
If you need to learn more about sporophytes click here:
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to know the density of each liquid, you simply have to weigh each bottle and record them separately. Then, as the formula of density says grams per volume, first convert the volume f the containers to milliliters(ml) then you divide each mass recorded by the volume of each bottle respectively and the one who will have a density of 1.0g/ml will be water and no one else.... Hope it helped someone
Nephrons. These are a particle in the blood.
