1. An aquaponics system is a system in which fish and plants are grown together. Shane Ahrenswanted to know if tumbled glass could be used as a media in an aquaponics system. He grewkale in clay and glass (in mesh cups suspended in the water) and measured kale biomass.What is the null hypothesis?What is the alternative hypothesis?Calculate the sample mean and variance for each treatment and then calculate the t statistic anddegrees of freedom.Kale Biomass (mg)ClayGlass17.537.113.931.131.228.729.937.522.528.1MeanVariance(n, – 1)s², + (n2 – 1)s²2 ×n + n2 -2+n2d.f. =If you conduct this analysis in R, the output tells you the p-value = 0.042. What conclusion canyou make (i.e., accept or reject the null hypothesis)? Explain how you reached this conclusion.Write a sentence as you would for the results section of a paper.

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Answered: 1. An aquaponics system is a system in…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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You are designing an experiment to test the following hypothesis: Temperature affects the ability of students to think clearly, and, therefore, students in a hotter room will have lower exam scores than students in a cooler room. For your experiment, list the following Sample size Independent variable Dependent variable Control group Experimental group Standardized variables How will you ensure that you have a random sample?
true or false 1.Crossbreeding and genetic engineering are both ways to develop improved varieties of crops. 2.Reducing the use of GMOs could reduce the cost of organic products 3.Overnutrition is most common in developed countries, rather than in less-developed countries 4.Micronutrients include carbohydrates, proteins, and fats. 5.To reduce the drawbacks of no-till farming, it will be important to find ways to reduce associated herbicide use. 6.High-input agriculture is a form of industrialized agriculture used primarily in less-developed tropical countries that involves growing cash crops such as bananas, coffee, vegetables, soybeans, sugarcane, and palm oil.
Suppose you want to examine the effect of a fertilizer on the size of eggplant produced, and therefore, you need to establish the experimental and control groups. A. What could represent the control group? B. What will be your experimental group? C. What will be the best way to establish a relationship between your two variables?
A standardized variable is… Select one: variable held constant during an experiment factor showing response factor being manipulated typically not included in controlled experiments
help and explain
Can entropy used to calculate the selection strength?
The heritability of the content of a defence compound, sideroxylonal, in Eucalyptus melliodora leaves is 0.8. A breeding population is selected from a common garden experiment. The overall mean was 20 milligrams per gram of dry weight (mg.g-1 dw), but the selected parents had an average of 35 mg.g-1 dw. Question= The expected mean concentration (in mg.g-1 dw) of the offspring of these breeders is??
3. Medical professionals say that 98.6°F is the normal body temperature of an average person. Healthy individuals' temperatures should not vary more than 0.5°F from that temperature. a. Write an absolute value function f(t) to describe an individual's variance from normal body temperature, where t is the individual's current temperature. b. Determine f(101.5) and describe what that tells you about the individual. c. What is a reasonable domain for a healthy individual?
1)You measure the effects of a single allele (A2) on fitness in two populations of the same plant species, Population X and Population Y. Population X lives at higher altitudes. The average excess of fitness of the A2 allele (aA2) in Population X is 1.21, and the average fitness of the population (w) is 1.0. Population Y lives at a lower altitude. The average excess of fitness of the A2 allele (aA2) in Population Y is -1.68 and the average fitness of the population (w) is 1.0 a) Which population is likely to experience faster evolution? Why? b) What do you predict will happen to the frequency of the A2 allele (pA2) in population X? c) What do you predict will happen to the frequency of the A2 allele (pA2) in population Y? d) Why do you think the average excess of fitness of the A2 allele is different in these two populations?
What is the value of a random sample? Will random sampling always ensure that a sample is representative of a population? Explain your answer.
A. Search for information from 1 of the 3 sizes that are below: I choose the small size  Small 1.finches 2. Parakeets  Medium 1.Cockatiel 2. Pigeons  Large 1. Parakeets 2. Macaws B. Then Explain the steps of the bird size of your selection of each of the following:  How to take it out and return it to the cage  Form of restriction  How and where it can be done blood collection  How to hold the animal to perform the nail cutting
3. In cats, the gene for fur length has two alleles, L and 1. Cats with the genotype ll have long fur, while cats with either the LL or Ll genotypes have short fur. In a population of feral (wild) cats, 16 have long fur and 68 have short fur. Assume the cat population is in Hardy-Weinberg Equilibrium for this gene. a. What is the frequency of the L1 genotype in this population? Show work. b. How many cats have the heterozygous (LI) genotype?

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