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sertanlavr [38]
2 years ago
8

Explain how it is possible for nutrients to be transported to the cells of a flatworm with no circulatory system.

Biology
1 answer:
Alisiya [41]2 years ago
5 0

Answer:

Flatworms are beings that do not have a heart, veins, arteries, capillaries, hemolymph, or some type of circulatory fluid. Their circulation occurs between cells or intercellularly and they are responsible for transporting substances by diffusion from cell to cell.

Explanation:

Flatworms are considered multicellular eukaryotic organisms. This implies that in their cells they have a cellular nucleus, in which the DNA is contained, structuring the chromosomes. Likewise, they are made up of several types of cells, each one specialized in a specific function. They lack a structured circulatory system as such. Because of this they do not have specialized structures such as a heart or blood vessels, however, the circulation of certain substances is established between their cells. This is done thanks to the diffusion process. Substances pass from one cell to another through this process.This does not apply to all flatworms, since in some species of bog and digenae there is a certain organization and some very small conducting vessels known as the endolymphatic system, the which forms a kind of plexus in the parenchyma.It should also be noted that some species do not even have a digestive system, being the digestive tract the one in charge of digestive functions and the distribution of the nutrients they receive.

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Explanation:

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Sever21 [200]

The four phases in the life cycle of a cell and place the events in order, starting with events that occur immediately after the cell was born are:

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  2. The synthesis (S)
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<h3>What is a cell?</h3>

A cell can be defined as simplest, basic, functional and structural unit of life

In conclusion, the four phases in the life cycle of a cell and place the events in order, starting with events that occur immediately after the cell was born are:

first gap (G1), synthesis (S) scond gap (G2) and M

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1 year ago
Give an example of how a biome is an open system from the point of view of the biosphere, atmosphere, lithosphere, and hydrosphe
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Given what we know, we can confirm that the biome is in fact an open system due to the interactions between the biosphere, atmosphere, lithosphere, and hydrosphere.

<h3>What is the biome?</h3>
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</span>
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Answer:

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