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sveticcg [70]
3 years ago
13

Algae at the beginning of a food chain would be considered?

Biology
1 answer:
Lilit [14]3 years ago
3 0
In my science classes, it was called a producer and or a keystone species
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During birth, an infant is normally stimulated to breathe by __________.
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by suckshining the infant

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The hydrogen ion concentration of a solution is indicated by its<br> ___ value.
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The hydrogen ion concentration of a solution is indicated by its <u>pH </u>value.

Explanation:

  • A measure of acidity or alkalinity of water soluble substances (pH stands for 'potential of Hydrogen'). A pH value is a number from 1 to 14, with 7 as the middle point.
  • Under normal circumstances this means that the concentration of hydrogen ions in acidic solution can be taken to be equal to the concentration of the acid.
  • The pH is then equal to minus the logarithm of the concentration value.
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6 0
3 years ago
Which statement best explains why these siblings are genetically different from each other?
KATRIN_1 [288]

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Only one chromosome from each pair randomly passed to the s*x cells during meiosis and leads to differences between the siblings.

6 0
2 years ago
How can organism's be so unique if the nucleotides making up DNA are all the same between organism's?​
Masja [62]

Every organism is unique, even though the nucleotides making up DNA are all the same, because the structure is different in every organism. In other words, it's just the order in which nucleotides are placed that differs each organism from one another.

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A deficiency in which vitamin causes Ricket's disease?
lions [1.4K]

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vitamin D

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4 0
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Read 2 more answers
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