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Sergio039 [100]
3 years ago
5

Would you expect the entire crop grown from your preferred stalk to show the characteristics of the parent crop? Explain your an

swer.​
Biology
1 answer:
padilas [110]3 years ago
5 0

Answer:

Over the ages the tendency of crop improvement efforts has been to select varieties with traits that give the highest return, largely by concentrating on genetic strains that combine the most desirable traits. The resulting homogeneity and uniformity can offer substantial advantages in both the quantity and quality of crop harvested, but this same genetic homogeneity can also reflect greater susceptibility or pathogens. Thus it appears the more that agricultural selection disturbs the natural balance in favor of variety uniformity over large areas, the more vulnerable such varieties are to losses from epidemics. The increased risks presented by genetic selection and the increased cultivation of only a few selected cultivars are easily perceived. Chapters 1 and 2 of this reports focus on crop vulnerability, because it is a broadly recognized problem. The issue of genetic vulnerability, however, is only one of several important problems affecting the management of global genetic resources.

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If an atom has twelve electrons, how many electrons are in the n=1 energy level? how many electrons are in the n=2 energy level?
Serjik [45]

Magnesium has 12 electrons.........which wud mean that in the 1st energy level(n=1) there r 2 electrons, in the 2nd energy level(n=2) there r 8 electrons and in the 3rd energy level(n=3) there r 2 electrons.......its simple......use the formula 2n^2 where n= 1,2,3,......  

so the electron configuration of Magnesium in 2,8,2..................or more precisely 1s2, 2s2, 2p6, 3s2

8 0
3 years ago
How do earthworms get oxygen to their cells?
Ksju [112]

They breathe through their skin. Air dissolves on the mucus of their skin, so they MUST stay moist to breathe.

If worms dry out, they suffocate. As fresh air is taken in through the skin, oxygen is drawn into the worm's circulatory system, and the worm's hearts pump the oxygenated blood to the head area.

7 0
3 years ago
Which of the following animals studied by Darwin on the Galapagos Islands eventually inherited his name?
vova2212 [387]
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7 0
3 years ago
What is an antonym for the word Marma?
8_murik_8 [283]

Answer:the word is not marma ok it karma ok

Explanation:I must saturate myself with repose and with the underlying—with Karma.

Karma is the Law of the Universe, the expression of divine Will.

And what have ye done to Karma, that he is so wet and silent?

How can one substitute here a sameness of Karma for identity of soul?

I soon discovered that, no matter how the wheel is turned, the Karma or merit is equal.

Equally unsatisfying is the statement that phenomena are aggregates of Karma.

6 0
2 years ago
Which statement best compares pioneer species with climax communities?
Flauer [41]

Answer:

B

Explanation:

5 0
2 years ago
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