The lineage of cells is mostly innate in function while the is mostly adaptive. (though there is, of course, overlap in function).
a) myeloid; lymphoid
b) lymphoid; myeloid
c) hematopoietic; lymphatic
d) mesenchymal; hematopoietic

Explain why in any given geographical region, women tend to have lighter skins( by 3-4% on average) than men?

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?

The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they