IB Biology SL B4.2.4 Holozoic Nutrition Questions

Practise IB Biology SL B4.2.4 by reading nutrition tables, tracing feeding links in food webs and distinguishing detritivores from saprotrophs.

Exam points

Identify holozoic nutrition as heterotrophic feeding with internal digestion.
Compare detritivores and saprotrophs by food source and digestion site.
Classify organisms from food-web or diet evidence as heterotrophs, consumers or detritivores.

[Maximum number: 1]

What describes holozoic nutrition?

Nutrition type

Digestion

chemoautotrophic

none

photoautotrophic

none

saprotrophic

external

heterotrophic

internal

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