CCC Predict: Suppose you randomly picked out two members of the same phylum and two members of the same genus. Which pair of
organisms would you expect to have more characteristics in
common? Explain your answer.
ANSWER:

genus

Explanation:

the closer something is to species, the more they have in common. and genus is closer to species than phylum

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.

i would say it is