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3 years ago

Explain the relationship between genetic change and adaptation.

Biology

2 answers:

xxTIMURxx [149]3 years ago

5 0

Answer:

Mutations can cause instant adaptations, while natural selection is the process by which adaptations occurs over a series of generations. Adaptations are changes or processes of changes by which an organism or species becomes better suited for its environment. A mutation is an alteration of the DNA sequence.

Explanation:

Just don'y copy a paste, try to paraphrase a bit, don't want to get in trouble!!!

LiRa [457]3 years ago

3 0

Answer:

Natural selection is the process by which adaptations occurs over a series of generations, while mutations can cause instant adaptations. A mutation is an alteration of the DNA sequence. Adaptations are changes or processes of changes by which an organism or species becomes better suited for its environment.

Explanation:

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The diagrams above show an area that was once a pasture that has since undergone changes to the vegetation over time. Which of t

Ugo [173]

Answer: The diagrams above show an area that was once a pasture that has since undergone changes to the vegetation over time.

The following changes in the hydrologic cycle is most likely to occur as a result of the change in vegetation in the area:

Decreased precipitation.

Explanation:

When we lose vegetation in an area we face serious problems, one of them is the decreased precipitation . If changes are made by man, for example, as in deforestation, the consequences are even worse.

Deforestation can cause a serious reduction of rainfall in the tropics, with serious consequences for the population not only in that region but in neighboring areas. The air that passes over large areas of tropical forest produces at least twice as much rain as that which travels over areas of low vegetation .

In turn this also affects the other factors of the cycle. The vegetation contributes moisture through an evapotranspiration process, as it is called the evaporation of the rivers together with the transpiration of the plants. This moisture is transported by the winds.

We can say then that the loss of vegetation in an area (whether on purpose or not) will corrupt several cycle factors, mainly damaging the rainfall rate.

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3 years ago

If you are not getting adequate calcium in your diet, calcitonin will be secreted, which stimulates osteoclasts to resorb bone a

MissTica

The statement above is false. The blood levels of calcium is regulated by parathyroid hormone.When one is not getting adequate calcium in one's diet and the blood level of calcium is low, the parathyroid hormone will be released. The parathyroid hormone can increase the blood calcium in several ways:
1. by stimulating osteoclasts which break down bone and release calcium into the blood stream.
2. by increasing the amount of calcium re-absorbed by the kidney before it can be excreted in urine.
3. by triggering the formation of calcitriol which increases the absorption of dietary calcium at the intestines.

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3 years ago

Second-generation antihistamines such as loratadine (claritin) are prescribed for seasonal allergies because they:

Evgen [1.6K]

Antihistamines are drugs that are used to treat allergic rhinitis (both seasonal and perennial) and other form of allergies that cause hives or urticaria. They can give relief when a patient has nasal congestion, sneezing or hives because of pollen, dust, or animal allergy (allergens). Second generation antihistamines such as loratidine are prescribed for seasonal allergies because they are less sedating than the first generation antihistamines.

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3 years ago

Read 2 more answers

You have lost the paddles for the canoe you rented, and the canoe has drifted to the center of a pond. You need to get it back t

olganol [36]

No, this will not work, bc vibration waves are caused when particles move in circles.

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4 years ago

The ph of the water in several lakes in norway and sweden had decreased to below 5.0 due to an increase in acid rain. What is mo

arsen [322]

Answer:

What will most likely happen in these lakes is that there will be a decline of several fish populations. The correct answer is A.

Explanation:

The options attached to the question are given below:

A. The decline of several fish populations

B. An increase in the number of fish.

C. An increase in the number of primary producers.

D. Increased predator- prey relationship.

The fishes, just like any other living organisms has ideal body temperature and pH at which they act best. The ideal pH for fish living in lake water is between 6 and 8. If the pH is reduced below this value then the water will become acidic and this will be toxic for the fish population living in the lakes. Therefore, those fish that can not cope will die and there will be a decrease in the fish populations.

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3 years ago