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4 years ago

The graph shows the populations of two species over time. Which type of symbiotic relationship does the graph represent?

SAT

2 answers:

Sindrei [870]4 years ago

6 0

Answer:

B. mutualistic

Explanation:

Took the test

DerKrebs [107]4 years ago

4 0

The correct answer is - B. mutualistic.

The symbiotic relationship shown in this graph is most likely a mutualistic symbiotic relationship. In a mutualistic symbiotic relationship, the two species benefit from one another, in a way they collaborate for the well being of both of them. This leads to a situation where with the increase in numbers of one of the species, the other species also experiences increase in numbers, and if one of them has a decrease in numbers, it is very likely that the other species will experience the same.

In this graph we have exactly that kind of situation, one of the species experiences increase in numbers, and the other species follows the same pattern, which most likely means that a mutualistc symbiotic relationship exist between these two species.

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Answer:

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Substitution effect can be positive for consumers if they can continue to by the products they like. Also, this effect can be negative for consumers if it results in fewer choices of that product or products of lower quality.

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3 years ago

In the balmer-rydberg equation (given in the introduction), what value of m is used to determine the wavelengths of the balmer s

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<h3>What is the Balmer series?</h3>

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The Balmer-Rydberg equation refers to a mathematical equation between spectral lines.

The Balmer-Rydberg equation indicates the wavenumber of the spectrum for hydrogen regarding the Rydberg constant.

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3 years ago

One mole of potassium permanganate kmno4 contains grams of oxygen.

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2 years ago

A survey showed that 34 % of human resource professionals are at companies that rejected job candidates because of information

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Using the binomial distribution, it is found that since 16 is more than 2.5 standard deviations above the mean, it is a unusually high number.

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It is the probability of <u>exactly x successes on n repeated trials, with p probability</u> of a success on each trial.

The expected value of the binomial distribution is:

E(X) = np

The standard deviation of the binomial distribution is:

$\sqrt{V(X)} = \sqrt{np(1-p)}$

A measure is considered to be unusually high if it is more than 2.5 standard deviations above the mean.

In this problem, we hav ehtat:

34% of companies reject candidates because of information found on their social media, hence p = 0.34.

27 human resource professionals are randomly selected, hence n = 27.

Then, we find the threshold for unusually high values as follows:

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