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What is the relationship between snails and Elodea? How does the color of phenol red demonstrate this relationship?

What is the relationship between snails and Elodea? How does the color of phenol red demonstrate this relationship?

Human Anatomy & Physiology (11th Edition)
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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Hi can please get some help on questions 3, and 5. I’m kind of stuck on them. Thanks
you and your group will be asked to design an experiment to see the relationship between consumers (aquatic snails) and aquatic plants Elodea in a closed system in order to see show that there is interdependence between them. Before you start, write a hypothesis for the following question: Is there an interdependence between plants and animals? Write your hypothesis here: Next you will design an experiment to test your hypothesis and collect data, and then make a conclusion based on your results. The following supplies are provided for each group: Šprigs of the aquatic plant Elodea Aquatic snails Containers with lids Pond water (or chlorine-free water such as deionized water) 0.02% phenol red solution- a pH indicator Labeling tape and a marker Safety precaution: Wash your hands well after dealing with snails. Lab 9 Designing your experiment Work with your group to answer the following questions: Which organism(s) release CO,? Which organism(s) takes in CO,? Will they carry out the process in the presence or absence of light? How would you use Phenol Red indicator? How would you show that there is an interdependence between the two organisms you work with? Draw your experimental design in the space below and write the description below each drawing. Think the questions through. Use the materials listed above to design your experiment. You don't need to use all of these materials. Make sure to include appropriate control(s).
Transcribed Image Text:you and your group will be asked to design an experiment to see the relationship between consumers (aquatic snails) and aquatic plants Elodea in a closed system in order to see show that there is interdependence between them. Before you start, write a hypothesis for the following question: Is there an interdependence between plants and animals? Write your hypothesis here: Next you will design an experiment to test your hypothesis and collect data, and then make a conclusion based on your results. The following supplies are provided for each group: Šprigs of the aquatic plant Elodea Aquatic snails Containers with lids Pond water (or chlorine-free water such as deionized water) 0.02% phenol red solution- a pH indicator Labeling tape and a marker Safety precaution: Wash your hands well after dealing with snails. Lab 9 Designing your experiment Work with your group to answer the following questions: Which organism(s) release CO,? Which organism(s) takes in CO,? Will they carry out the process in the presence or absence of light? How would you use Phenol Red indicator? How would you show that there is an interdependence between the two organisms you work with? Draw your experimental design in the space below and write the description below each drawing. Think the questions through. Use the materials listed above to design your experiment. You don't need to use all of these materials. Make sure to include appropriate control(s).
3. What is the relationship between snails and Elodea? How does the color of phenol red demonstrate this relationship? 4. What are the different types of control you need to show the interdependence? What conclusion can you make if the water in the tube that lacks any organism changes color? The different types of control would be the phenol red indicator by itself in the presence and absence of light. The conclusion that could be made is that they are releasing CO2 and undergoing cellular respiration. 5. Apply your knowledge: Explain why you need to add aquatic plants to your aquarium!
Transcribed Image Text:3. What is the relationship between snails and Elodea? How does the color of phenol red demonstrate this relationship? 4. What are the different types of control you need to show the interdependence? What conclusion can you make if the water in the tube that lacks any organism changes color? The different types of control would be the phenol red indicator by itself in the presence and absence of light. The conclusion that could be made is that they are releasing CO2 and undergoing cellular respiration. 5. Apply your knowledge: Explain why you need to add aquatic plants to your aquarium!
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