Complete the notes. Write ONE WORD ONLY from the passage for each answer.

Ysabel Giraldo’s research

• Focused on a total of [1] different age groups of ants, analyzing

Behaviour:

• how well ants looked after their [2]

• their ability to locate [3] using a scent trail

• the effect that [4] had on them

• how [5] they attacked prey

Brains:

• comparison between age and the [6] of dying cells in the brains of ants

• condition of synaptic complexes (areas in which [7] meet) in the brain’s ‘mushroom bodies’

• level of two [8] in the brain associated with ageing