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nika2105 [10]
2 years ago
8

A) The three levels of biodiversity are genetic diversity, species diversity, and ecosystem diversity. Explain the three levels

of
biodiversity and the concerns associated with loss of diversity at each level.
B) Species and genetic diversity can be very beneficial to humans. Describe three ecosystem services that nature provides to
humans.
Advanced Placement (AP)
1 answer:
Lerok [7]2 years ago
8 0

Answer:

A) Biodiversity, often known as biological diversity, refers to the diversity of living things on the planet. It is defined as the degree of life variance. Microorganisms, plants, animals, and ecosystems such as coral reefs, woodlands, rainforests, and deserts are all examples of the biological variety. B) Each species, no matter how large or little, plays a crucial part in the environment when it comes to biodiversity. It symbolizes the abundance of biological resources at our disposal. It's all about preserving the natural region, which is made up of a community of plants, animals, and other living things, which is steadily dwindling as we plan human activities, which is being dwindled due to habitat loss.

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What is an example of a long-term goal if you’re in middle school now?
olya-2409 [2.1K]

Answer:

Getting into a great college program

Explanation:

Getting into a great college program is a perfect example of a long term goal if you are in middle school now. A long term goal is a goal that you will want achieve in the far future (like 2, 3, 4 years, and so on), and getting into a great college program is an example of a long-term goal. Long-term goals usually take years to accomplish.

However, If you are in a middle school now, then you should set a goal of getting into a great college program because it will take years to achieve this goal.

A Long-term goal is a goal that a person has in mind to achieve in the future and they are important if you aim to build a successful career.  Long term goals need better planning because they are goals you cannot accompany in a short while; they take several years to be achieved.

7 0
3 years ago
How many times a year is the Earth at its average distance from the Sun
son4ous [18]

Answer:

Earth orbits the Sun at an average distance of 149.60 million km (92.96 million mi), and one complete orbit takes 365.256 days (1 sidereal year), during which time Earth has traveled 940 million km (584 million mi).

Explanation:

6 0
3 years ago
Suppose that among the population of smartphone owners with 16\text{GB}16GB16, start text, G, B, end text of storage, the mean a
andrew-mc [135]

The question is not typed properly! The correct and complete question is given below.

Question:

Suppose that among the population of smartphone owners with 16 GB of storage, the mean amount of storage used is 13 GB and the standard deviation is 3 GB. A consumer research group regularly takes random samples of 50 of these customers and calculates the mean amount of storage Calculate the mean and standard deviation of the sampling distribution x bar.

You may round to one decimal place.

Given Information:

Population mean smartphone storage = μ = 13 GB

Population Standard deviation = σ = 3 GB

Sample size = n = 50

Required Information:

Mean of the sampling distribution = ?

Standard deviation of the sampling distribution = ?

Answer:

\mu_x =\mu = 13 \: GB

\sigma_x = 0.4 \: GB

Explanation:

We are given that the mean storage among smartphones owners is 13 GB with a standard deviation of 3 GB.

A random sample of 50 smartphone owners is selected from the population.

We want to find out the the mean and standard deviation of this sampling distribution.

Recall from the central limit theorem, if the sample size is large enough (n ≥ 30) then the sampling distribution approaches normal distribution.

A normal distribution is a continuous probability distribution and is symmetrical around the mean. The shape of this distribution is like a bell curve and most of the data is clustered around the mean.

Since the sample size is large enough ( n = 50) in this case then the mean of the sampling distribution is given by

\mu_x =\mu = 13 \: GB

The mean of the sampling distribution will be same as population mean.

The standard deviation of the sampling distribution is given by

\sigma_x = \frac{\sigma}{\sqrt{n} } \\\\\sigma_x = \frac{3}{\sqrt{50} } \\\\\sigma_x = 0.4 \: GB

Therefore, the standard deviation of the sampling distribution is 0.4 GB.

7 0
3 years ago
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oksian1 [2.3K]

the answer is gonna be D D C also what grade are you in

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What happens to pH levels as ammonia is converted to nitrate ​
Marrrta [24]

Answer:

As the pH rises, the concentration (toxicity) of the ammonia also increases. When the pH level increases above 9, most of the ammonium in the water is converted into toxic ammonia (NH3), which can kill fish. ... The Nitrobacter bacterium feeds on the nitrites in the water and converts them into nitrate (NO3).

Explanation:

test the ph balance.

4 0
3 years ago
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