13 Questions
Which body system defends the body against foreign intruders?
Immune system
What is the main purpose of the immune system?
To defend the body against diseases
Which type of immunity is present from birth and provides immediate defense against pathogens?
Innate immunity
What are the two types of immunity mentioned in the text?
Innate immunity and acquired immunity
Which kingdom is mentioned in relation to defense and immunity?
Kingdom Animalia
What is the significance of innate immunity in defending against diseases?
It provides immediate protection against pathogens
What is the primary mechanism used by Poriferans to inhibit microbial growth?
Production of secondary metabolites
Which organism recognizes Gram-positive and Gram-negative bacteria and fungi?
Annelids
What type of immunity response is triggered in mollusks when the anatomic barrier defense is breached?
Innate immune response
What is the primary function of hemocytes in mollusks' immune system?
Engulfing and destroying small invaders
Which of the following is classified as a barrier defense in arthropods' innate immunity?
Production of chitin
What triggers the internal immune defense in arthropods?
Barrier defense breach
Which mechanism does Caenorhabditis elegans use to disrupt bacterial cell walls?
Antimicrobial compound production
Test your knowledge of the various strategies used by organisms for defense against disease with this quiz on biology. This quiz covers the trends and comparisons of strategies used by animals for defense, as well as the immune system.
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