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Katen [24]
4 years ago
15

How to zoos affect the nitrogen cycle

Biology
1 answer:
SpyIntel [72]4 years ago
5 0
<span>As humans change the way we live on the planet, the way that nitrogen moves around the Earth also changes. Nitrogen atoms may seem small enough to be easily overlooked. We look right through the ones in the air, do we not? Yet recent changes in the nitrogen cycle are causing a very noticeable effect on natural environments and human health. Lakes are clogged with aquatic weeds. Dead zones have formed in areas of the oceans where animals can not survive. Air pollutants that contain nitrogen are decreasing air quality and greenhouse gases that contain nitrogen are becoming more common.</span>
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Arteries are normally depicted as red while veins are colored blue due to the oxygenation of the blood being transported by each
Bogdan [553]
The exceptions to this rule are the pulmonary arteries and veins.  
<span>
The pulmonary artery is the one that carries deoxygenated blood from the right side of the heart (ventricle) to the lungs. On the other side, pulmonary veins transfer oxygenated blood from the lungs to the heart (left atrium).</span>
8 0
3 years ago
Search around your house. Name two examples of<br> objects that show mechanical energy.
a_sh-v [17]

Answers:

Riding a bicycle and sharping a pencil

Explanation:

6 0
3 years ago
Why does an air hockey puck move differently when the air hockey table turned on ?
Alex
When you turn it on the air gives the puck a lift into the air so it can move smoothely. 
5 0
3 years ago
why do polysaccharides like cellulose and peptidoglycan able to resist degradation and enzymatic activity
mixer [17]

Polysaccharides like Cellulose form insoluble micro-fibrils making it resistant to degradation and enzymatic activity.

<u>EXPLANATION: </u>

  • Polysaccharides components in general broken down monosaccharides and they are very little enough to be absorbed by the body.
  • But the polysaccharide like cellulose cannot be absorbed by our body.
  • Cellulose is made up of simple polymers that form insoluble micro-fibrils results in resistant to degradation and enzymatic activity.
  • Also, molecules of each micro-fibril are so tightly packed structure and prevent the penetration of enzymes.
  • Thus, cellulose degradation requires a complex enzyme and cellulose.
7 0
3 years ago
With incomplete dominance a likely ratio of phenotypes in the F2 generation resulting from a monohybrid cross between two true-b
nydimaria [60]

Answer:

A) 1:2:1

Explanation:

Incomplete dominance is an effect observed in the organisms in which the neither of the two alleles controlling a trait is dominant or recessive instead produces a phenotype formed by the mixture of the effect of the two alleles.  Therefore in incomplete dominance, a new trait is produced which is formed by both the alleles.

In the given question, if incomplete dominance is observed in a monohybrid cross which results in two homozygous genotypes and two heterozygous genotypes. In F2 the phenotypic generation produced will be 1:2:1 as the heterozygous genotype will form a new phenotype.

Thus, Option-A is the correct answer

4 0
3 years ago
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