Babies Generally Appear to Be Immune to Diseases for Approximately

question 42

Multiple Choice

Babies generally appear to be immune to diseases for approximately the first six months of life.After this,they develop more diseases.What could be responsible for this immunity?

• A)active immunity due to the mother
• B)passive immunity from the mother
• C)babies not being exposed to diseases until around six months
• D)babies born with excellent active immunity that wanes the older the child gets
• E)active immunity due to being exposed to numerous antigens during the birthing process

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Definitions:

Natural Ecosystem

A community of living organisms and their physical environment interacting as a system in nature, untouched by significant human influence.

Successive Trophic Level

A hierarchical position in a food chain or food web, higher levels are progressively further from primary producers in terms of their source of food.

Decreasing Amount

A reduction in quantity, volume, or number over time or in a particular process.

Ecological Pyramid

A graphical representation showing the relationship between different trophic levels in an ecosystem regarding energy, biomass, or numbers.