Biological Science (7th Edition)
7th Edition
ISBN: 9780134678320
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Greg Podgorski, Emily Taylor, Jeff Carmichael
Publisher: PEARSON
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Chapter 29, Problem 13PIAT
Summary Introduction
To review:
Whether the association between Pilobolus and cows is a symbiotic relationship or not.
Introduction:
A symbiotic relationship is defined as the interaction between two different organisms in such a way that both the organisms are benefited from this relationship.
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- What are symbiotic organism give an example to explain symbiosis among organismarrow_forwardWhich of these are actual mutualistic partnerships that involve a protist and a host organism?arrow_forwardNelson uses the analogy of a cracker with peanut butter to describe colonized leaves. Which component of the system does the peanut butter represent?arrow_forward
- The amoeba Pelomyxa palustris is a single-celled eukaryote with nomitochondria, but it contains symbiotic bacteria that can live in thepresence of oxygen. How does this observation support theendosymbiont theory?arrow_forwardIs it possible for the Didinium and Paramecium to coexist on a petri dish? Select one: A. Yes B. No Please answer asap and in shortarrow_forwardSeveral kinds of symbiotic relationships involve a fungus and a photoautotroph. Give two different examples of this kind of relationship. For the two examples, you choose, explain whether each relationship is parasitism, commensalism, or mutualism. Are either of the species interactions in either of your two examples beneficial for or detrimental to humans? Explain.arrow_forward
- in each example of the symbiosis explain what each organism will gain or loose from its specific symbiosis.remembering there are usually two organisms in a specific relationshiparrow_forwardMalaria is caused by a microbe that completes part of its sexual life cycle in a mosquito and part of it's life cycle in a mammal. The mosquito bites the mammal to transmit this disease. Choose the FALSE statement regarding malaria: O This would be considered parenteral entry. O The mosquito would be considered a reservoir. O This would be considered direct transmission. O The mosquito would be considered a biological vehicle. Question 17 Choose the false statement below. O When bacterial samples taken from the body are grown on nutrient agar medium in the lab, we see many fewer bacterial species turn up on the agar plates than were in the original sample. O Normal flora is found on all surfaces of the body exposed to the external environment including the skin, the covering of the eye, the gastrointestinal tract, the vaginal canal, and the ear canal. O Normal flora is vastly different on different people but surprisingly not so different between parts of the body.arrow_forwardHow could it be determined if a symbiont and its host haveexperienced a long period of coevolution?arrow_forward
- Explain how resource partitioning could allow the two species of Paramecium to survive.arrow_forwardHow do plants benefit from symbiotic associations with bacteria? With fungi? (answer must not exceed one paragraph)arrow_forwardSymbiosis is a close relationship between different species where at least one requires the other for survival. Parasitism, commensalism, and mutualism are the major types of symbiosis. Why is the relationship between Rhizobium and its host considered mutualism and not one of the other types of symbiosis?arrow_forward
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