Hemoglobin and enzymes are:
A. lipids
B. proteins
C. carbohydrates
D. nucleic acids

Energy derived from hot rocks and fluids beneath the earth’s surface is

Sperm pass through the and connect to a short ejaculatory duct. vas deferens prostrates seminiferous tubules none of the above

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.