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What is active immunity?

Back

Active immunity occurs when a person's own immune system makes antibodies in response to a pathogen, providing long-term protection (e.g., after recovering from chicken pox).

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What is passive immunity?

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Passive immunity is when a person receives antibodies from another source, providing temporary protection (e.g., maternal antibodies passed to a baby).

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What is the difference between a virus and bacteria?

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Viruses cannot reproduce without a host, while bacteria can reproduce independently.

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What are the characteristics of the Animalia kingdom?

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Members of the Animalia kingdom are multicellular and heterotrophic, meaning they cannot produce their own food.

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What does multicellular mean?

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Multicellular refers to organisms made up of more than one cell.

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What is a dichotomous key?

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A dichotomous key is a tool used to identify organisms based on a series of choices that lead the user to the correct name.

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What is the role of antibodies in the immune system?

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Antibodies are proteins produced by the immune system to identify and neutralize foreign objects like bacteria and viruses.

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What is the difference between autotrophs and heterotrophs?

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Autotrophs produce their own food (e.g., plants), while heterotrophs obtain food by consuming other organisms.

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What is the function of the immune system?

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The immune system protects the body from pathogens and foreign substances.

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What is a pathogen?

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A pathogen is any organism that can cause disease, such as bacteria, viruses, fungi, or parasites.