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Tems11 [23]
3 years ago
12

Qué estructuras protegen y nutren al feto​

Biology
1 answer:
vazorg [7]3 years ago
3 0
Es un saco con paredes finas que rodea al feto durante el embarazo. El saco contiene líquido amniótico (líquido producido por el feto) y el amnios (membrana que cubre el lado fetal de la placenta), que proteje al feto de lesiones y ayuda a regular su temperatura.
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In attempt to solve the working problems created by the Industrial Revolution, the United States and many countries in Europe co
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I chose the answer that said "Transition to socialist and communist government systems, and creation of labor unions."

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3 years ago
Inter calary meristem is also called as​
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Answer:

Intercalary meristem is a type of meristematic tissue associated with the growth in length in the middle position, thus the name. In particular, it is made up of meristematic cells that divide mitotically in the stem at the base of nodes and leaf blades. The growth at this point is referred to as intercalary growth.

Explanation:

hopw this helps :)

5 0
3 years ago
A student removes an algae cell from its marine environment and puts it into a sample of freshwater. What will happen to the siz
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The size of the algal size will increase or swell when a student removes an algal cell from its marine environment and puts it into a sample of freshwater.

Tonicity refers to the concentration of a solution compared to another solution. A solution is said to be hypertonic, if it has a greater concentration of solutes than the other solution. A solution is said to be hypotonic, if it has a lower concentration of solutes than the other solution. A solution is said to be isotonic, if it has the same concentration of solutes as of the other solution.

In a marine environment, the algal cells are said to be hypertonic with a higher concentration of the solutes than the freshwater. When such a cell is placed in freshwater with hypotonic environment, the concentration of solutes in the cell is higher than the external environment. In other words, it has lesser water molecules in it. As a result, osmosis occurs which is the movement of water molecules from a region of its higher concentration to a region of its lower concentration through a semipermeable membrane and water enters the cell from the freshwater. Thus, increasing the size of the algal cell or the algal cell swells.

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3 years ago
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