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Alekssandra [29.7K]
2 years ago
12

What are the adaptations of bottle-nosed dolphins that allows them to thrive in the marine biome?.

Biology
1 answer:
3241004551 [841]2 years ago
5 0

Answer:

Thermoregulation

Explanation:

  1. Decreased surface-to-volume ratio. The dolphin's fusiform body shape and reduced limb size decrease the amount of surface area exposed to the external environment.
  2. Increased insulation. Dolphins deposit most of their body fat into a thick layer of blubber.
  3. Heat exchange system.

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Dominant and recessive genes effect on phenotype
marysya [2.9K]

Dominant is the first gene variant in a phenotype from the two alleles of a gene and recessive has effect on the third allele of a phenotype.

Explanation:

The genetic phenomenon of masking of chromosome with one variant of allele or predominating  the impact of one gene on its chromosomal copy is Dominance.  In this phenomenon the first variant of gene is known as ‘dominant’ and the second one is ‘recessive’.  

This phenomenon is not inherited by phenotype, it has a relative effect on two alleles of a gene where one is dominant on other and the recessive is on third allele. Dominant allele has functional protein but recessive does not have it.

4 0
3 years ago
PLEASE HELP I feel like the answer is number 4 but im not sure.
dimulka [17.4K]
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6 0
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A grocer stacks oranges in a four-sided pyramid that is 6 layers high. Solve for the number of oranges in the pile.
Vlada [557]
Each layer contains the square of the layer number.
<span>So,
Let's figure out :
1 squared = 1 </span>
<span>2 squared = 4 </span>
<span>3 squared = 9 </span>
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<span>5 squared = 25 
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<span>Hence,
The total number of oranges in the pile = 1+4+9+16+25+36
                                                               = 91 oranges
</span><span>
D. 91
</span>
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