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devlian [24]
3 years ago
9

Matter in an ecosystem _____.

Biology
2 answers:
balu736 [363]3 years ago
7 0

The right answer is

1. Flows only one way

if you want proof search up

Matter in an ecosystem _____. flows only one way

and it will tell you this:

Describe how energy in an ecosystem moves?

It moves in a one-way path, from the sun or inorganic compounds, to producers and then consumers.

xeze [42]3 years ago
5 0
3, matter is lost via heat.
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Effectus [21]

1. If we cross YyLl (heterozygous parent with dominant traits) with yyll (homozygous parent with recessive traits)

P:  YyLl  x  yyll

F1 generation: YyLl: 400 Yyll: 100 yyLl: 100 yyll: 400

Recombinant offspring are those children whose genes contain a non-parental allele combination  (neither allele group is directly inherited from either parent). This happens when genes are located on the same chromosome but are so far apart from one another so that their alleles get crossed over during meiosis. In this case, Yyll and yyLl are the recombinant.

2. Calculation of distance between Y and L.  

The numbers of the two recombinant types is 200 (100 Yyll + 100 yyLl) and 800 parental offspring.

Total number of offspring is 1000.

So: 200/1000*100=20 map units.

There is 20 percent recombinant offspring frequency.


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2 years ago
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3.
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