6. Which of the following does NOT possess a double circulation pathway? A Car
C. milkfish
D. parrot
B. dog​

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures

Where does oogenesis take place ? seminiferous tubules fallopian tubes ovaries uterus