Edexcel IGCSE Biology 2.1 The Levels of Organisation in Organisms Questions

Practise ordering levels of organisation and applying definitions to examples such as organelles, epidermis tissue and organs.

Exam points

define organelles as cell structures with particular functions in labelled cell diagrams
explain why a named organ is made from several tissues carrying out a function
identify tissue as a collection of similar cells from image-based examples

[Maximum number: 1]

Euglena is a microorganism that lives in water.
The diagram shows Euglena with some structures labelled.

Some of the labelled structures are known as organelles.

State what is meant by the term organelle.

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