Johana is unresponsive. what criteria will be used to determine if johana is brain dead?

Lack of response to stimuli and the stimulation of reflexes, fixed pupils, etc. Try this link: https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/brain-death.                                                                                                                 Hope this helps! : )

Explanation:

Graph A

Explanation:

With harder seeds, birds will need larger beaks in order to crack the seeds. The birds with smaller beaks won't be able to crack the seeds and will die because they can't eat anything. Graph A is the only one that shows a distinct increase in bird beak size.