1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Hoochie [10]
3 years ago
6

Compare and contrast osmotic challenges faced by animals in freshwater, marine, and terrestrial environments, and the adaptation

s used to address them.
Biology
2 answers:
Gnesinka [82]3 years ago
8 0

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.

Irina18 [472]3 years ago
3 0

Answer:

Challenges to

Aquatic Animals -

Fresh Water - <em>Fresh water organisms live in hypotonic medium. </em>

Marine Water - T<em>he marine organisms live in a hypertonic environment.</em>

Terrestrial - <em>Organisms which live on land have a common challenge of regulating water in the body due to their contact with the atmosphere.</em>

Explanations:

In order to answer the question of comparing of osmotic challenges & adaptation of Aquatic & Terrestrial animals in their environment  

Comparing & Contrasting Challenges of Animals in -

Aquatic Animals ( Marine & Fresh water Environments)

<em>Fresh water organisms live in hypotonic medium. This depicts that these organisms have a lower water potential than the surrounding environment. As a result, there a constant tendency for water to enter the cells by osmosis through the cell surface membrane which poses a constant threat of organisms becoming water logged.</em>

<em>The marine organisms live in a hypertonic environment, meaning that their inner water content is higher than the surrounding environment, hence they lose water by osmosis and then they gain salts from the seawater they drink by diffusion. </em>

<em />

Terreestrial Animals Challenges _

<em>Organisms which live on land have a common challenge of regulating water in the body due to their contact with the atmosphere.</em>

The adaptations used to address them:

Aquatic Animals:

Freshwater:  <em>Organisms which live in fresh water are able to regulate the concentration of water and salts in their bodies through the pattern of gaining water and losing salts. Fresh water organisms such as fishes undertake Osmoregulation through the release of excess water through the gills and through the excreting of large amounts of dilute urine.</em>

Marine:

<em>Another pattern of Osmoregulation in aquatic organisms occurs in marine species which involves the losing of water and gaining of salts to maintain a favourable and constant internal environment as exhibited by marine cartilaginous fishes i.e. sharks and rays .</em>

For Terrestrial Animals

<em>Terrestrial animals such as insects contain almost impermeable waxy layer which covers their exoskeletons to reduce loss of water from the body surface.</em>

<em>Moreover, Other terrestrial organisms i.e. invertebrates such as flateworms consists of nephridial organs with branching tubes called nephridiopores excess fluid leaves the body thereby osmoregulating the internal fluid content, and also protonephridia composed of tubes with flame cells. They also have complex nephridial organs known as metanephridia whose end opens into a coelom and the fluid from the coelom passes into the tubule bringing with it whatever it contains i.e. glucose, salts or even wastes. As the fluid moves through the tubule, needed substances like water and glucose are removed from the fluid by tubules are reabsorbed back in blood capillaries, hence carrying out Osmoregulation.</em>

You might be interested in
___ are ionic compounds that produce positive hydrogen<br> ions when dissolved in water.
Liula [17]

Answer:

Acids

Explanation:

Acids are ionic compounds that produce positive hydrogen ions when dissolved in water. Acids taste sour. They conduct electricity when dissolved in water. They also react with metals to produce hydrogen gas.

7 0
3 years ago
The condition in which tissues exhibit swelling because of an accumulation of lymph is called
vredina [299]
Lymphedema is the condition I believe.
4 0
3 years ago
Which additional observation would support the conclusion that the deer population is not changing size from year to year, meani
gavmur [86]

Answer:

The presence of predators of deer which does not allow increase in the population of deer year after year.

Explanation:

In an forest ecosystem, one animal controls the population of another organisms and thus there is no increase in the population of that organism and the ecosystem is in equilibrium state. The population of deer did not increase due to the presence of predators such as lion, cheetah etc and the net population is 0.

7 0
3 years ago
What is one of the main differences between the phosphorus and sulfur cycles? A) Plants absorb phosphorus mainly from the air an
Elena L [17]
The answer is <span>D) The atmosphere has no significant role in the phosphorus cycle, but is an essential part of the sulfur cycle.

</span>

<span>Phosphorus is not abundant in the atmosphere. It comes mostly from the land and ocean. Phosphorus cycle through the lithosphere, hydrosphere, and biosphere, but not the atmosphere. The reason for this is that phosphorus cannot be found in the gas state, unlike the sulfur. On the other hand, sulfur cycle partially occurs in the atmosphere.</span>

8 0
2 years ago
Read 2 more answers
Does commensalism involve abiotic factors or biotic factors ? ​
monitta

Answer:

Commensalism only occur among biotic factors

Explanation:

Abiotic factors are non-living factors that interacts with the biotic factor within an ecosystem. Commensalism is an association between two organisms in which one benefits and the other derives neither benefit nor harm.

From the above definition of commensalism, it is clear to note that it only involves two organisms rather than non-living organisms, hence; commensalism involves only biotic factors

4 0
2 years ago
Other questions:
  • Is there a way in which solar energy can be harnessed for use by humans directly? How can you relate this to the first law of th
    7·1 answer
  • PLEASE HELP WILL GIVE BRAINLIEST TO CORRECT ANSWER
    10·2 answers
  • One main difference between dementia and delirium is that delirium only affects people over the age of 65. Please select the bes
    5·2 answers
  • Which of the following conclusions is suggested by the map
    10·1 answer
  • Will give brainliest to first correct answer.
    10·1 answer
  • Scientists looking at the fossil record observe that in a certain kind of spiny fish, the fish evolves to have a greater number
    5·2 answers
  • How do i know what elements will form chemical bonds
    13·2 answers
  • Tell me a tertiary consumer that lives in streams or rivers. Tertiary consumer is an animal that eats other animals. this is how
    11·1 answer
  • What process happens from an erupting volcano, weathering, and heat and
    7·1 answer
  • When a plant fertilizes a plant of a different species, it results in what?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!