Animals and plants need to maintain homeostasis to function properly. a)true b)false

Homeostasis:

It is a characteristic of a system that regulates its internal environment and tends to maintain a stable, relatively constant condition of properties.

In plant it is necessary to maintain homeostasis to function properly. Endocrine plays an important role in homeostasis as hormones regulate the activity of body cells and the release of hormones into the blood is controlled by a stimulus that either causes an increase or a decrease in the amount of hormone secreted.

number of molecules / avogadro's number * molecule molecular = mass

explanation:

we define a gram-molecular weight as the mass of one mole of any element or compound. a mole contains avogadro's number of units (molecules) –  

6.022

x

10

23

. so, dividing the number of molecules by avogadro's number gives us the number of moles. multiplying that by the molecular weight gives us the mass. from the periodic table we find the gram-molecular weight of u to be238 and of f to be19. so,  

u

f

6

will have a gram-molecular weight of 352g.

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