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oksian1 [2.3K]
3 years ago
6

c. Suppose a large population of turtles consists only of two species, snapping turtle and box turtle, but the percentage of the

species in the population are unknown. What is the maximum possible value of the diversity index D for the population
Biology
1 answer:
vodka [1.7K]3 years ago
6 0

Answer:

D_m=1/2      

Explanation:

From the question we are told that

2 species

Assuming that questions a and be are solved

Diversity index D=2p_1p_2

with p_1 +p_2 =1

Mathematically

D=2p_1(1-p_1)

D=2(p_1-p_1^2)

D=2({\frac{1}{4} -(p_1-1/2)^2}

Therefore

D=\frac{1}{2} -2(p_1-1/2)^2

Giving

D_m=1/2      

p_1=1/2

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15
s344n2d4d5 [400]

OPTIONS:

a. When there are just two other people at the party.

b. When everyone is wearing a nametag.

c. When there are more than 50 people attending the same party.

d. When the need for help from the person who is having a heart attack is very clear

Answer:

c. When there are more than 50 people attending the same party.

Explanation:

Bystander effect is a term used in social psychology to describe the tendency of an individual to intervene in the event of an emergency to offer help to the person needing it, when others are present at the scene of the emergency.

In the case of an emergency just like the scenario stated in the question, where someone develops a heart attack at a dance party, if the party has more people, the slimmer the chance of the person getting help from any of the 50 people at the party, as the presence of others would tend to discourage the any individual from attempting to help the victim having the heart attack.

The situation that would more likely show the bystander intervention effect is <em>"c. When there are more than 50 people attending the same party."</em>

5 0
3 years ago
What are the polymers of nucleic acids called
lyudmila [28]

Explanation:

Nucleic acids are polymers of individual nucleotide monomers. Each nucleotide is composed of three parts: a 5-carbon sugar, a phosphate group, and a nitrogenous base. Only two 5-carbon sugars are found in nature: ribose and deoxyribose.

7 0
3 years ago
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What is excretion meaning
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Answer:

excretion is the action of expelling waste from one's body.

Explanation:

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b. In 1979, the estimated elephant population was 1.3 million and in 2007 it was 640,000. By approximately what percentage did t
saveliy_v [14]

Answer:

The initial amount, 1.3 million = 1,300,000 is the 100%.

now, 640,000 is a given percentage (lower than 100%) of that.

How we can find it?

suppose that 640,000 represents an x%.

Then we have that the quotient between the actual quantities and the percentages must be the same

(640,000/1,300,000) = x%/100%

x% = (640,000/1,300,000)*100% = 49.23%

Then the percentage declined is:

100% - 49.23% = 50.77%

The other question can not be answered with the given information.

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3 years ago
What are sex pilli? ​
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it involved in the transfer of genetic material from one cell to another.

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