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Nat2105 [25]
3 years ago
6

Why might the earths oceans be described as one huge ocean?

Biology
2 answers:
Julli [10]3 years ago
4 0
Because back then before pangaea occured the oceans we see today where all one before now they are seperated hope this helps.
ra1l [238]3 years ago
3 0
The five oceans of Earth are connected, so that all of the continents could be this has not always been the case, and it could change again in the distant future.
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What did the 1980 Mount Saint Helens volcanic eruptions teach environmental scientists?
Aleks [24]
The first one seems the most correct
6 0
3 years ago
What statement best explains why meiosis produces haploid cell rather than diploid cells
Shkiper50 [21]

The right answer is Haploid cells join to form an organism that has a complete set of chromosomes.

Meiosis makes it possible to pass from a cell to 2n chromosomes to 4 cells with n chromosomes, thus ensuring the passage from the diploid phase to the haploid phase.

So from the  fertilization phase to the meiosis phase, the cells will be diploid (2n chromosomes). From the meiosis phase to the fertilization phase, it is the haploid phase (n chromosome).

6 0
2 years ago
Read 2 more answers
Black coat color in horses is conferred by the presence of a dominant B allele. Chestnut horses are genotype bb. A population of
AysviL [449]

Answer:

Frequency of B allele is 0.6681

Explanation:

If p represents the frequency of dominant allele and q represents the frequency of  recessive allele, according to Hardy-Weinberg equilibrium:

p + q = 1

p² + 2pq + q² = 1

where p² = frequency of homozygous dominant genotype

q² = frequency of homozygous recessive genotype

2pq = frequency of heterozygous genotype

Given that number of recessive chestnut horse = 28

Total horses = 226 + 28 = 254

frequency of b² genotype = 28/254 = 0.1102

frequency of recessive b allele = √0.1102 = 0.3319

So, frequency of B allele =

1 - 0.3319 = 0.6681

Hence frequency of B allele is 0.6681

7 0
3 years ago
**15 Points & Branliest** ; Individual 5 in generation III of this pedigree visited a genetic counselor. The counselor made
icang [17]

Answer:

- She does not carry the gene for cystic fibrosis.

Explanation:

Due to technical problems, you will find the complete explanation in the attached files

3 0
2 years ago
How are primary and secondary ecological succession similar?
butalik [34]

Answer:

I don't know

Explanation:

I don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowI don't knowHow are primary and secondary ecological succession similar?

1 Both types of succession require the same amount of time to occur.

2 Both types of succession result in greater biodiversity over time.

3 Both types of succession decrease the stability of an ecosystem.

4 Both types of succession have the same starting conditions.

5 Both types of succession eventually lead to a community closer to equilibrium.

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7 0
3 years ago
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