Biology: Symbiotic Relationships

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What is the characteristic of mutualism?

One organism is benefited and the other is harmed
Both organisms are benefited (correct)
One organism is harmed and the other is unaffected
One organism is benefited and the other is unaffected

What is the term for the organism that is benefited in a parasitic relationship?

Host
Mutualist
Symbiont
Parasite (correct)

Which type of relationship is characterized by one organism being harmed and the other being benefited?

Mutualism
Neutralism
Commensalism
Parasitism (correct)

What is the term for the organism that is harmed in a parasitic relationship?

Host (C) Signup and view all the answers

What is the main difference between mutualism and parasitism?

The outcome for one of the organisms (D) Signup and view all the answers

What term is used to describe two organisms living together without any effect on each other?

Neutralism (A) Signup and view all the answers

What is another term used to describe the microbiomes present in the human body?

Microflora (B) Signup and view all the answers

Which type of symbiotic relationship involves one organism benefiting while the other is unaffected?

Commensalism (C) Signup and view all the answers

What is the general term for the relationship between two different species living together?

Symbiosis (A) Signup and view all the answers

Which type of symbiotic relationship involves both organisms benefiting from each other?

Mutualism (A) Signup and view all the answers

What happens when a newborn starts breathing and feeding?

Microorganisms are Introduced to the newborn's body from the environment (A) Signup and view all the answers

What is the significance of the newborn's environment in terms of microorganisms?

It introduces a variety of microorganisms to the newborn's body (B) Signup and view all the answers

What is the primary source of microorganisms in a newborn's body?

The environment after birth (A) Signup and view all the answers

When do microorganisms start to colonize the newborn's body?

When breathing and feeding start (D) Signup and view all the answers

What is the result of the introduction of microorganisms to the newborn's body?

The establishment of a diverse range of microorganisms (C) Signup and view all the answers

What is the primary mechanism by which microflora maintains a protective role in host defense?

Maintaining pH (A) Signup and view all the answers

What is the consequence of microflora maintaining a healthy pH in the host?

Other organisms may not grow (A) Signup and view all the answers

Why is microflora's role in maintaining pH important for host defense?

It prevents the growth of other organisms (B) Signup and view all the answers

What is the result of microflora's protective role in host defense?

The host becomes more resistant to infections (B) Signup and view all the answers

What is the primary function of microflora in maintaining a healthy host environment?

Maintaining pH (B) Signup and view all the answers

What is one way that the occupier of the host surface receptor prevents the pathogen from binding?

By physically blocking the pathogen's binding site (D) Signup and view all the answers

What is the primary function of the entity that occupies the host surface receptor?

To prevent pathogen binding (C) Signup and view all the answers

What is synthesized by the entity that occupies the host surface receptor?

K and B vitamins (B) Signup and view all the answers

What is the result of the entity occupying the host surface receptor?

The pathogen is prevented from binding to the host cell (C) Signup and view all the answers

Which of the following is NOT a function of the entity that occupies the host surface receptor?

Regulating host cell growth (C) Signup and view all the answers