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In-s [12.5K]
3 years ago
6

How dose one determine when an ecosystem is in balance

Biology
1 answer:
Aleonysh [2.5K]3 years ago
7 0
When there is decent amount of predators and prey. And there is enough resources for all the species to live (food, water, shelter) 
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they break down carbohydrates and fats

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How are hydrogen bonds related to polarity?
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Polarity affects hydrogen bonding because hydrogen bonding occurs due to a bond being polar. One side of the bond will be slightly more negative because it's pulling more electrons towards itself and the other side of the bond will be more positive. Therefore the partially positive bond of one molecule will be attracted to the partially negative bond of another molecule. This is called an intermolecular force and hydrogen bonds are the strongest intermolecular force.
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The overall purpose why plants perform photosynthesis is to
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Some members of david's family have an autosomal recessive disease. david does not have the disease; neither do his parents, nor
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A pedigree shows the genotypes of the family members 
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   recessive gene    - h
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8 0
3 years ago
how does the presence of white flowers cahnge from the parent generation to first generation of offspring to the second genratio
UNO [17]

Answer:

P generation:  1 purple flower (AA)  :  1 white flower (aa)

F1 generation:  4 purple flowers (Aa)  :  0 white flowers

F2 generation:  3 purple flowers (AA, Aa)  :  1 white flower

Explanation:

Assuming the parents are AA and aa, the allele for white flowers is recessive, so there needs to be two of them for the trait to be expressed.  Thus, the capital A purple allele that the other parent contributes will mask that white allele and all the flowers will appear purple.  However, all of the offspring are Aa now, so when they are crossed, there's a 25% chance that they'll both contribute the lowercase a allele that codes for white flowers.  Remember that if both of them give the lowercase a allele then the offspring will be aa and appear white.

8 0
2 years ago
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