The diagram shows the structures of four similar limbs in marine animals. Based on limb structure, which two species are most closely related? A. whale
B. shark
C. dolphin
D. Penguin

If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.

Discuss cell surface transport in the structure of constituents