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Nana76 [90]
3 years ago
13

Which kind of environmental disturbance is commonly found in lakes or shallow

Biology
1 answer:
andreyandreev [35.5K]3 years ago
4 0

Answer: Oil or toxic gases or liquids.

Explanation:

Power Plants are known to hold various toxic chemicals. When in close proximity to a body of water, that has been known to happen.

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What are the three possible outcomes for species when rapid environmental changes occur
Montano1993 [528]

Rapid environmental changes can cause:

1) Species can become vulnerable to extinction.

2) A decrease or increase of populations.

3) Diversity of species.

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3 years ago
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Scientists at the National Oceanic and Atmospheric Administration (NOAA) use mathematical computer-based models to help manage m
kobusy [5.1K]

Answer:

A). The model does not predict energy flow.

Explanation:

As per the given details, the most probable constraint of using 'numerical computer-built models' would be their 'inability to forecast the energy that is flowing throughout the ecosystem.' However, they assist in offering collected information at the same time yet <u>its failure to predict the actual amount of energy flowing that will lead to a failure to predict if the ecological balance is being maintained or not</u>. As a result, some organisms may be deprived of the appropriate food to ensure their survival and their existence on this planet might be under threat. Thus, this is the limitation of using such-technology based models and hence, <u>option A</u> is the correct answer.

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2 years ago
What is the impact of the rabbit to the ecosystem ?
fredd [130]
Farms productivey and native ecosystem
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2 years ago
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In the 1890s, Northern elephant seals were hunted almost to extinction. An unknown population of less than one hundred animals m
Inga [223]

Complete question:

In the 1890s, Northern elephant seals were hunted almost to extinction. An unknown population of less than one hundred animals managed to survive on the tiny island of Guadalupe off of Mexico. The current population of over 100,000 is thought to be derived from that tiny remnant population. Compared to the Southern elephant seals (which did not experience such a bottleneck), the Northern elephant seals likely have -------- (Lower - Higher) genetic diversity and -------- (Lower - Higher) levels of genetic diseases.

Answer:

In the 1890s, Northern elephant seals were hunted almost to extinction. An unknown population of less than one hundred animals managed to survive on the tiny island of Guadalupe off of Mexico. The current population of over 100,000 is thought to be derived from that tiny remnant population. Compared to the Southern elephant seals (which did not experience such a bottleneck), the Northern elephant seals likely have Lower genetic diversity and Higher levels of genetic diseases.

Explanation:

Genetic drift is the random change that occurs in the allelic frequency of a population through generations. The magnitude of this change is inversely related to the size of the original population. These changes produced by genetic drift accumulate in time. Eventually, some alleles get lost, while some others might set. Genetic drift affects a population and reduces its size dramatically due to a disaster or pressure-bottleneck effect- or because of a population split -founder effect-.

In the exposed example, extensive hunting acted as a pressure that reduced the number of Northern elephant seals to fewer than 100. This population experienced one or many generations of small size since these animals were affected by hunting. As the survivors did not have the whole genetic pool of the original population,  the population size might have recovered to a current population size of 1000,000 individuals, but <u>the genetic pool might have not</u>. When the small population increases in size, it will have a genetically different composition from the original one. In these situations, there is a<u> reduced genetic variability</u>, with a possibility of developing a peculiar allelic component. If the survivors in the population carried or developed a mutation, probably this mutation passed from generation to generation. It will involve more individuals each time and<u> increase the probability of developing a genetic disease</u>.

4 0
3 years ago
Fungi cell walls are __.
mario62 [17]

Answer:

c

Explanation:

because ninja from fortnite told me

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2 years ago
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