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Sati [7]
3 years ago
12

Which of the following is(are) true concerning the 2004 tsunami in Indonesia? It had minimal human casualties. b. The tsunami wa

ves were as high as 500 feet. It was triggered by magnitude 9.1 earthquake. d. All of the above​
Biology
2 answers:
Oduvanchick [21]3 years ago
6 0

Answer:

The correct answers are B and C. The tsunami waves were as high as 500 feet, and it was triggered by a 9.1 magnitude earthquake.

Explanation:

The 2004 Indian Ocean tsunami was a series of tsunamis that swept the shores of most countries along the Indian Ocean on December 26, 2004, killing almost 280,000 people. This is considered one of the biggest natural disasters in history. The tsunami was caused by a huge 9.1 magnitude earthquake that shook the underwater off the west coast of Sumatra. This was the third largest earthquake measured by a seismometer. The ensuing tsunamis reached a height of 30 meters in some places when they made landfall. It has been confirmed that 131,028 people have died in Indonesia. More than 30,000 died in Sri Lanka and thousands died in India and Thailand. In Somalia, 4,500 km from the epicenter, 176 people were killed and about 50,000 people lost their homes. $ 14 billion in emergency aid was collected for the worst-affected countries.

stealth61 [152]3 years ago
3 0

Answer:

C. It was triggered by magnitude 9.1 earthquake.

Explanation:

on edge

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Answer the following:
mihalych1998 [28]
A. behavioral isolation is when the plant or animal acts a particular way to attract their counterparts, like mating rituals.

geographic isolation is the natural barrier preventing similar species from interacting. for example, Galapagos Islands are the only home of flightless cormorants because the islands are so far from any other land for them to invade.

Temporal isolation is when two of the same or similar species cannot reproduce as a result of mismatched sexual maturity.

B. the isolation of two frog species by mating call is behavioral isolation.
4 0
3 years ago
Which is a phenomenon that can result from directional selection? a. There is an increase in the number of different breeds of d
anzhelika [568]

Answer:

B) There is an increase in the number of giraffes with long necks in areas of Africa where low-growing trees have died

Explanation:

The directional selection is one of the ways of the natural selection in which the natural selection selects or favours the most extreme trait of the species and the extreme trait show higher fitness than the normal or average trait.

In the given question, the case of Giraffe necks shows directional selection as the normal length of the neck is not favoured by the environment but the extreme trait that is long neck is favoured by the environment and the selection shifted to that level.

Thus, Option-B is the correct answer.

5 0
3 years ago
Read 2 more answers
Which allele will be expressed when both
Oliga [24]

Answer:

C. recessive only

Explanation:

A dominant phenotype will be expressed when at least one allele of its associated type is present, whereas a recessive phenotype will only be expressed when both alleles are of its associated type.

8 0
2 years ago
Which of the following changes may occur during metamorphism?
mart [117]
The answer u r looking for is- A, all of the above. Hope I’ve helped ;)
5 0
3 years ago
In humans the presence of chin and cheek dimples is dominant to the absence of dimples, and the ability to taste the compound PT
nikklg [1K]

Answer:

The frequency of undimpled tasters is 0.136.

Explanation:

The Hardy-Weinberg law illustrated all the probable genotypes for a gene with two alleles. The binomial expansion signifying this is, p2+2pq+q2 = 1.0

Here, p2 is the proportion of homozygous dominant individuals, q2 refers to the proportion of homozygous recessive individuals, and 2pq is the proportion of heterozygotes.  

Thus, on the basis of the given data, the frequencies for dimples phenotypes are:  

The frequency of homozygous dominant allele carrying individuals (DD) = 0.62 * 0.62 = 0.3844

The frequency of heterozygous allele carrying individuals (Dd) = 2 * 0.62 * 0.38 = 0.4712

The frequency of homozygous recessive allele carrying individuals (dd) = 0.38 * 0.38 = 0.1444

Thus, from the above frequencies, the frequency of individuals with dimples (DD and Dd) = 0.3844 + 0.4712 = 0.8556

The frequency of individuals without dimples (dd) = 0.1444.  

The frequencies for tasting phenotypes:  

The frequency of homozygous dominant allele carrying individuals (TT) = 0.76 * 0.76 = 0.5776

The frequency of heterozygous allele carrying individuals (Tt) = 2 * 0.76 * 0.24 = 0.3648

The frequency of homozygous recessive allele carrying individuals (tt) = 0.24 * 0.24 = 0.0576

Thus, from the above frequencies:  

The frequency of individuals with taste for PTC (TT and Tt) = 0.5776 + 0.1824 = 0.944

The frequency of individual without taste for PTC (tt) = 0.0576

As it is a dominant mode of inheritance the genotype of undimpled tasters is either ddTt or ddTT.  

The frequency of taster individuals will be TT + Tt = 0.5776 + 0.3648 = 0.9424

Now, the expected frequency of undimpled tasters will be the product of frequency of dimpled and frequency of tasters = 0.144 * 0.9424 = 0.1357.  

Therefore, the frequency of the undimpled tasters is 0.136.  

6 0
3 years ago
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