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frez [133]
3 years ago
14

Explain the difference between percent abundance and relative abundance.

Biology
1 answer:
coldgirl [10]3 years ago
7 0
The percent abundance of each isotope tells you how many of each kind of isotope exist one very 100 particles. Relative abundance is the percent composition of an organism of a particular kind relative to the total number of organisms in the area. Hope this helps.
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Nucleic acids do not contain
tamaranim1 [39]
Answer:
            Nucleic acid don not contain amino acids.
Explanation:
             Nucleic acid is primarily composed of three main components, pentose sugar, phosphate group and nitrogenous bases. Amino acid is the building block of proteins. 
5 0
3 years ago
Is human survival independent of other species?
wolverine [178]

Explanation:

As far as I can think of, we're dependent on other species. If we can't be carnivores, then literally, the only other option I can think of is being a herbivore, and that still an organism. We need sufficient life essence to keep living. We CANNOT live without harming another organism.

In short of my babbling, human survival is not independent of other species.

6 0
3 years ago
Two independently segregating genes determine kernel color in wheat. Red color results from at least one dominant allele in both
Lera25 [3.4K]

Answer:

a) The expected phenotype of the F1 plants is 100% RrBb, red kernels.

b) The expected phenotypic classes in the F2 are: 9:3:3:1

   9/16 R-B-, 3/16 rrB-, 3/16 R-bb,  1/16 rrbb

   Proportions 9:6:1.

9/16 Red kernel (R-B-), 6/16 Brown kernel (rrB- + R-bb), 1/16 White kernel (rrbb)    

Explanation:

<u>Available data:</u>

  • red kernel: R-B-
  • brown kernel: R-bb or rrB-
  • white kernel: rrbb

1º Cross)  RRBB      x      rrbb

F1)             100% RrBb (red kernels)

2ºCross)   RrBb       x       RrBb

Gametes)  RB                   RB

                  Rb                   Rb

                  rB                    rB

                  rb                    rb

Punnet Square)      RB           Rb         rB         rb

                 RB      RRBB      RRBb     RrBB     RrBb

                 Rb      RRBb      RRbb     RrBB     Rrbb

                 rB       RrBB       RrBb      rrBB      rrBb

                 rb       RrBb       Rrbb       rrBb     rrbb

F2)  Phenotypic classes:

       <em>9/16 R-B-</em>

<em>        3/16 rrB-</em>

<em>        3/16 R-bb</em>

<em>        1/16 rrbb</em>

      Phenotypic proportions:

      <em>9/16 Red kernel (R-B-)</em>

<em>       6/16 Brown kernel (rrB- + R-bb)</em>

<em>       1/16 White kernel (rrbb)         </em>                      

7 0
3 years ago
An unbiased person considers all sides of an issue<br><br>true or false​
Klio2033 [76]

Answer:

True

Explanation:

They are unbiased they have to consider everything before coming to a conclusion.

4 0
3 years ago
Freshwater sarcodina characteristic A. Have cell wall fhsy contains chitin B. Have a nucleus and organelles C. Produce food thro
Nadya [2.5K]

i choose have a cell wall or nucleus and organelles hope this helps ✌

4 0
3 years ago
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