What is a uniquely human challenge? what part of the body is reponsible for this?

I believe its control of emotions. Humans have the most complex emotional responses than any other species on earth. Therefore the endeavour to make emotions and reason congruous are a uniquely humans challenge. The part of the humans responsible for emotions and reason is the limbic system of the brain. It constitutes the hippocampus, amygdala, limbic cortex and septal area.

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).