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poizon [28]
3 years ago
6

A canal is built connecting a freshwater ecosystem to the ocean. What types of species in the wetland would be most negatively a

ffected by this change?
A) Species that require low salinity.

B) Species that can tolerate various amounts of salinity.

C) Species that require high salinity.

D) All species would be affected equally.
Biology
1 answer:
Sonbull [250]3 years ago
3 0

Answer:

A.

Explanation:

When freshwater is met with the ocean salt is diluted to the freshwater. Therefore organism that require little salt would be put at a threat.

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Alu element at the PV92 locus on Chromosome 16. In this population, 436 people have a heterozygous genotype and 102 people have
Lesechka [4]

Answer:

Explanation:

According to the exercise we can infer that for the Alu insert:

p: positive allelic frequency

q: negative allelic frequency

maintaining that the population is in equilibrium we can carry out the following formula

p + q = 1 and pp + 2pq + qq = 1

looking for the genotype frequency we clear and obtain the following data

genotype frequency of 2pq = 436/1000 = 0.436

The genotype frequency of qq = 102/1000 = 0.102

This is how we look now:

number of positive people for Alu = 1000- (436 + 102) = 1000- 538 = 46

In this way it is resolved that:

genotypic frequency of pp = 462/1000 = 0.462

  p = 0.462 + (0.436 / 2) = 0.462 + 0.218 = 0.680

q = 0.102+ (0.436 / 2) = 0.102 + 0.218 = 0.320

According to the exercise carried out it is deduced:

The value of p in the population is = 0.68

We conclude that our prognosis showing a homozygous positive genotype is: 0.462

6 0
3 years ago
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matrenka [14]

Answer:

The color of the surfaces because an object with a black surface will absorb and reradiate energy faster and at a higher concentration than the same object with a lighter colored surface.

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3 years ago
What is the original source of all energy in a food web?
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The original source of all energy in a food web is the sun. the sun provides light energy that producers use in photosynthesis. animals eat the producers and other animals eat those animals. the energy flow goes up the web, but it all originated at the sun
5 0
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Explanation:

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Explanation:

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