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scoray [572]
3 years ago
7

The change in mhr is the same from ages 20 to 26 as it is from ages 40 to 46

Biology
1 answer:
Fantom [35]3 years ago
8 0
The change of maximum heart rate (MHR) is the same from ages 20 to 26. At age 20, a person has an MHR of 200 bpm and at the age of 26, a person has an MHR of 194 bpm, there's a 4 bpm difference. While at the age of 40, a person has an MHR of 185 bpm and at the age of 46, a person has an MHR of 182 bpm, there's a difference 4 bpm. Therefore, the change in MHR for the same range (20-26) and (40-46) are the same. 
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All of the following form the composition of soil EXCEPT Question 5 options: Climate Organisms Parent rock Convection currents
Ilia_Sergeevich [38]

If I am understanding the choices correctly, the answer would be Convection Currents.

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8 0
3 years ago
In a population with two alleles, B and b, the allele frequency of B=0.59. What would be the frequency of the heterozygotes if t
Levart [38]

Answer:

0.483

Explanation:

The given population is in Hardy-Weinberg equilibrium. If the gene has two alleles, the sum total of the frequencies of these two alleles will be one.  

Therefore, the total of the frequency of allele B and frequency of allele b will be 1. f(B) + f(b)=1

If the frequency of allele "B" is 0.59, then the frequency of allele "b" will be=1-0.59= 0.41

The frequency of heterozygous genotype in the population= 2pq

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6 0
3 years ago
3. The evolutionary pathways of ten different species are represented in the diagram below.
xenn [34]

Answer:

C

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