Which of the following is the best example of an ecosystem?
a.
bees and wasps around a group of purple cornflowers
b.
a nest of mockingbirds, some bullfrogs, a pond, and a sandy shore
c.
a warm, humid climate with plenty of rainfall

you should go do that

explanation:

harlem's  cotton club boasted the talents of duke ellington. singers such as bessie smith and billie holiday popularized blues and jazz vocals. jelly roll morton and louis armstrong drew huge audiences as white americans as well as african americans caught jazz fever.