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NikAS [45]
3 years ago
11

1. Ventastega curonica is the name of a species found in the water. What do the parts of this organism's name

Biology
1 answer:
Solnce55 [7]3 years ago
8 0

Explanation:

d. Genus and Species

  • this is because a scientific name is formed when genus and species are combined
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3 years ago
Compare and contrast osmotic challenges faced by animals in freshwater, marine, and terrestrial environments, and the adaptation
Gnesinka [82]

Answer:

  • Fresh water fish have higher salt contents in their bodies than in their environments.
  • Marine fishes have less salt in their bodies than their environment
  • Terrestrial organisms have the challenge of water retention due to atmospheric contact.

Explanation:

FRESH WATER OSMOREGULATION

The salt concentration in salt water fish is higher than the concentration found in its environment (fresh water). This causes water to enter into the body of the fish through osmosis and without regulating processes, the fish is bound to swell and likely burst.To compensate for this challenge, the kidney in fresh water fish produces a large amount of urine, causing them to lose salt. To ensure too salt is not lost beyond the basic requirement, chloride cells in the gills take up ions from the water which are transported into the blood.

MARINE OSMOREGULATION

In marine fishes, the challenge opposes that of fresh water fishes since salt content in this case is lower in their blood than in their environment. To address this challenge, marine fishes lose water constantly while retaining salts to lead to a build up. The water lost, is then made up for and replenished by continual drinking of seawater. The chloride cells in marine fishes works in a manner opposing that of fresh water fish, functioning to compliment the excretion of salts by the kidney.

TERRESTRIAL OSMOREGULATION

The major challenge of osmoregulation in  terrestrial organisms is water regulation in the body owing to their contact with the atmosphere.

Terrestrial organisms possess effective kidneys which enable osmoregulation. A series of processes including filtration, re-absorption and tubular secretion, enable regulation of fluids and water conservation.

Water passes out of the descending limb of the loop of Henle, leaving a more concentrated filtrate inside. Salt diffuses out from the lower, thin part of the ascending limb. In the upper, thick part of the ascending limb, salt is then actively transported into the interstitial fluid. The amount of salt in the interstitial fluid, determines how much water moves out of the descending limb i.e the saltier it gets, the more water moves out of the descending limb. This process leaves a concentrated filtrate inside, so more salt passes out. Water from the collecting ducts moves out by osmosis into this hypertonic interstitial fluid and is carried away by capillaries, achieving osmoregulation.

8 0
3 years ago
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A single ________ on the ________ chromosome plays a crucial role in the prenatal development of the testes.
Tju [1.3M]

Answer:

A single gene on the Y chromosome plays a crucial role in the parental development of the testes.

Explanation:

Y chromosome is present only in males and this chromosomes is the distinguishing factor which separates males from females. It is the smallest chromosome but of utmost importance due to its sex determining feature. Up till now, studies show that Y chromosomes only carry limited amount of genes.  

The Y chromosome, most importantly, comprises of the SRY gene. This is the gene responsible for determining the testis and for the development of the testis. The SRY gene is responsible for sex determination.

6 0
3 years ago
Name three social benefits provided by biodiversity.
damaskus [11]

There are many benefits provided by biodiversity. It can be in our biological resources, ecosystem services and also social benefits. The three social benefits provided by biodiversity would be the following:

1. Research, education and monitoring 

2. Recreation & tourism 

3. Cultural values 

Explanation:

Biodiversity is “the variability among existing animals from all causes including temporal, marine and other aquatic ecosystems, and the environmental complex.

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7 0
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What could be the consequence of a mutation that changes the sequence of nucleotides in a promoter?
Korolek [52]

Answer:

The changes in the sequence of nucleotides present within a promoter is a prime cause of the defected transcriptional regulation, which may eventually result in disease. However, not every modification within the sequence of a promoter influences the regulation of transcription, it relies upon the nature and the location of the genetic defect.  

When a mutation results within the sequence of a promoter region it may hamper the usual procedures of gene stimulation by affecting the step by step alignment of the transcription factors at the promoter region. Therefore, as a consequence, a mutation within the sequence of a promoter may result in the enhancement or reduction in the level of mRNA and thus protein.  

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3 years ago
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