An experimenter tests the effectiveness of 2 diets on goldfish growth. Ten goldfishin aquarium 1 are fed diet A, while 10 different goldfish in aquarium 2 are fed diet B.The fish are all approximately the same size at the start of the experiment, and theaverage weight of the goldfish are measured after 2 months of feeding with the 2diets.This kind of experiment would be best labelled as a:O Comparative experimentO Natural experimentO Manipulative experimentestion 20perimenter tests the effectivenrium 1 are fed diet (are all an

To understand the basic idea many student carry out experiments. In this experiment same fish is…

Answered: An experimenter tests the effectiveness…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Imagine that you are trying to assess the relative influence of a host of enviormental factors on the growth (body mass) of a certain fish species. Your observation will be made in several streams. The focus is on identifying what factors are important in explaining weight gain. Please tell me: a) How would you design the experiment to identify which enviormental factors are most important? b) How would you test your hypotheses? (what statistical analysis would you do?) Can you show me what the equation might look like?
Characteristics of good scientific investigations include using controls, identifying variables, and having reproducible results. the 26 One way information reviewed by 25 replication; 26 péers Answers: 21 láboratory; 22 hypothesis; 23 independent; 24 data 7 Identify Suppose that you soak ten seeds in water and ten seeds in a mixture of water and vinegar to see how acidity affects the sprouting of seeds. You observe them for two weeks. What are the independent and dependent variables of this experiment? Unit 1 Science, Technology, and Engineering
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High Daily Temperature Time (Days) 1 2 3 4 5 7. 8. 11 12 13 14 15 Temperature (°C) 27 28 31 30 34 38 42 18 20 24 21 29 33 28 38 1. Graph the information above on a separate sheet of paper. It needs to be hand written. The questions below are based on the data table above. Please write your answers on a plank sheet of paper. 2. The title of the graph is and 3. The two variables are 10
These data were collected experiments on laboratory populations. Experiments such as these where we collect data are called Frequency of Adh 0.8 1.0 0.6 0.4- 0.2 0 10 20 30 Generation 40 ☐ Ethanol Ethanol Control Control 50
1. Suppose that rabbits are the only prey and food supply of foxes, and that the predator-prey interaction follows Lotka-Volterra dynamics. The mortality rate of foxes in the absence of rabbits is 0.1 per week, and the intrinsic growth rate of rabbits in the absence of predation is 0.2 per week. The capture efficiency is 0.002, and the efficiency at which rabbit biomass is converted into fox biomass is 0.2. a. If there are 30 foxes in a population and 400 rabbits are present, the rate at which prey will be killed (consumption rate) is per week. b. If there are initially 30 foxes and 400 rabbits, the overall rate of change in the rabbit population will be: c. If there are initially 30 foxes and 400 rabbits, the net growth rate in the fox population will be: d. If the number of rabbits and foxes double, but the search efficiency stays the same, what will happen to the number of rabbits killed? Does it double, too?
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