Which of the following best explains why the core chemistry of life, such as the use of ATP, is more highly conserved than outward physical traits like fur color?

When a biological feature is described as "conserved," what does this imply about the mutations that occur within its coding sequences?

The term __________ refers to the differences in traits between organisms or species that arise as they adapt to different environments.

Lions and tigers are placed in the same Genus but are different species. Which aspect of their biology most clearly demonstrates 'diversity' according to the classification hierarchy?

MYP MYP Biology Topic Unity and Diversity Questionbank

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

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Core chemistry is not subject to the laws of mutation

ATP is a larger molecule than pigments and therefore is physically harder to change

Changes in core chemistry are usually lethal, whereas changes in fur color are often non-lethal and potentially beneficial

Fur color is determined entirely by the environment and is not encoded in DNA

Most mutations are harmful because they disrupt a highly successful and vital function

No mutations ever occur in these sequences because they are protected by the cell

Mutations occur significantly slower in these specific genes compared to others

Most mutations are beneficial and lead to rapid changes

Hierarchy

Unity

Conservation

Diversity

Their multicellular structure

Their use of DNA as genetic material

Their method of obtaining food

Their specific habitat and behavioral adaptations