Assignment 08

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Feb 20, 2024

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Starr-Aisa Hayes 11/14/2021 Assignment 08 Azolla-Anabaena Symbiosis 1. What benefit do you think Anabaena obtains by living within the body of the water fern Azolla ? The Benefit that Anabaena obtains by living within the body of the water fern Azolla is a habitat. 2. What benefit might the fern obtain from the relationship? The benefit that the fern obtains from the relationship is nutrients. 3. What type of symbiosis do you think exists between Anabaena and Azolla ? The type of symbiosis that exists between Anabaena and Azolla is mutualism Lichen Symbiosis 4. How does the fungal component of a lichen benefit from its relationship with the algae? Protection and Nutrients 5. How does the algal component of a lichen benefit from its relationship with the fungus? Producing organic carbon compounds through photosynthesis 6. What type of symbiotic relationship is represented by a lichen? Mutualism Termite Symbiosis 7. How does a termite benefit from having zooflagellates living in its gut? ‘ The termites get nutrients from the zooflagellates poop. 8. How do zooflagellates benefit from living inside the gut of a termite? The zooflagellates digest the wood termites eat. 9. What type of symbiotic relationship is represented by termites and their zooflagellates? Mutualism Ball Moss and Tardigrades 10. If you watch some water bears under the microscope, you will see that they seem to spend their time feeding on bits and pieces of dead and dying plant material. Given this information, explain what kind of symbiotic association exists between the ball moss plant and its tardigrades. A commensalism relationship
Starr-Aisa Hayes 11/14/2021 Legume Nodules 11. How does a legume benefit from having rhizobia living in its root nodules? Nutrients (nitrogen) 12. Do a little bit of online research and explain how rhizobia benefit from living within the root nodules of legumes. Supplies with energy in the form of amino acids 13. What type of symbiotic relationship is represented by legumes and rhizobia? Mutualism Chagas Disease 14. What type of symbiotic relationship exists between humans and the Chagas disease organism? Predation 15. Most individuals infected with Chagas disease do not die from the infection, a characteristic of this type of symbiotic relationship. What is the advantage to the Chagas disease organism of not killing its host? Being able to continually feed off them. Predation: A Symbiotic Relationship? 16. Should predation be considered a type of symbiotic interaction? Explain why or why not. Yes, it should be because it doesn’t really have an effect on the other organism and only one really benefits from the interaction.
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