Practice MYP MYP Biology Topic Interactions Between Organisms with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for Interactions Between Organisms and mirrors Paper 1, 2 style where relevant.

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It prevents the host from being detected by other predators

It forces the host to move to locations where it is more likely to be eaten by the next host

It causes the host to produce more nutrients for the parasite to absorb

It makes the host stay in its nest to infect its own offspring

Detritivores are producers, while decomposers are consumers

Decomposers only live in water, while detritivores only live on land

There is no functional difference; the terms are synonymous

Detritivores ingest dead matter, while decomposers secrete enzymes for external digestion

A sudden increase in the virulence of the pathogen

A decrease in the transmission rate of the pathogen

The pathogen immediately evolving a non-parasitic life cycle

The host species becoming completely immune to the pathogen

Grasshopper — Secondary consumer

Oak tree — Producer

Hawk — Primary producer

Toad — Primary consumer

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