Concept explainers
Describe three types of symbiotic relationships.
To review:
The types of symbiotic relationships.
Introduction:
Symbiosis or symbiotic relationship is a short or long-term biological interaction between different kinds of organisms. It can be obligatory or facultative. In obligatory relationships, one or both the organisms are completely dependent on each other, whereas in facultative symbiosis, the two organisms are partially dependent on each other and can generally live independently also. The organisms interacting in symbiotic relationships are known as symbionts.
Explanation of Solution
Symbiosis is the type of interaction in which the two or more organism are dependent on each other completely or partially and either beneficial or harmful for each other. Symbiotic relationships are of mainly threetypes: mutualism, commensalism, and parasitism.
Mutualism: It is a symbiotic association between the two organisms that are beneficial to each other, it is mostly a long-term association. The symbionts mainly belong to the different species of organisms. For example, the microflora living in the gut of humans are in a mutualistic relationship with the humans. Bacteria synthesize vitamins, which are required by the human host and bacteria takes nourishment from the gut of the humans, therefore, benefiting each other.
Commensalism: It is a relationship between two organisms where one is benefitted by the other, while the other one is neither benefitted nor harmed. For example, many bacteria living on the human skin are neither helpful nor harmful for them, but they derive food and nutrition from the humans thus, are benefiting.
Parasitism: It is a relationship in which one organism is benefitted while the other is harmed. The organism that gets the benefit is known as a parasiteatthe expense of the other organism known as the host. Parasites are of two types, endoparasites that live inside the body of the host, and ectoparasites that live on the body surface of the host.
Therefore, the three main types of symbiotic relationships are mutualism, commensalism, and parasitism that are defined on the basis of their beneficiary or harmful interaction between the organisms involved.
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Chapter 16 Solutions
NESTER'S MICROBIOLOGY
- list the three types of symbiotic relationships and explain how the two organisms are affectedarrow_forwardSymbiotic relationships include both mutalism and parasitism. Give an example of a symbiotic relationship between two organisms.arrow_forwardMatch the following examples to the appropriate type of symbiosis. - A microbe that lives inside the large intestine of a human, getting food from its host and protecting the host from disease a) Not a symbiosis b)parasitism c)commensalism d) mutualism -An insect that builds protected nests in trees, but does not help or damage the tree a) Not a symbiosis b)parasitism c)commensalism d) mutualism -A lamprey that attaches to other fish and sucks their blood throughout their life a) Not a symbiosis b)parasitism c)commensalism d) mutualism - A robin that eats worms out of the ground a) Not a symbiosis b)parasitism c)commensalism d) mutualismarrow_forward
- Describe, discuss, and give an example of bacterial symbiotic relationship.arrow_forwardIdentify the different types of symbiotic relationships discussed. Compare and contrast these relationshipsarrow_forwardThe term that best describes the general relationship between 2 organisms in which one benefits and is reliant upon the other organism, however the other is neither harmed nor benefits, is O 1) parasitism. 2) satellitism. 3) synergism. 4) O 4) commensalism. O 5) symbiosis.arrow_forward
- Below are statements about symbiosis. Choose the correct responses. ( Only pick one answer per [ ] ) ["Commensalism", "Mutualism", "Parasitism"] is a term that describes when two organisms both benefit from a relationship. One example of this you will view is lab is ["Viruses Infecting Bacteria", "Yeast Fermenting sugar", "Bacteria such as Rhizobium living in plant structures called root nodules"] . ["Commensalism", "Mutualism", "Parasitism"] is a term that describes when one organism benefits, while the second organism is not harmed, and does not benefit. ["Commensalism", "Mutualism", "Parasitism"] is a term that describes when one organism benefits while the second organism is harmed. In lab you will explore ["Viruses Infecting Bacteria", "Yeast Fermenting sugar", "Bacteria such as Rhizobium living in plant structures called root nodules"] as an example of this relationship.arrow_forwardMost organisms that are considered resident microbes would fall into which of the following categories of symbiotic relationships with their host organisms? Commensalism Amensalism Resident microbes are not in symbiotic relationship with their host organisms Parasitism Mutualismarrow_forwardWhat is symbiosis? Give examples other than those mentioned in the text.arrow_forward
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