Aph of 2 indicates a(n) weak acid strong acid weak base strong base

Which of the following is true for a cell that has a flagellum? it cannot be a part of a multicellular organism. it cannot be a part of the oldest known fossil. it cannot have a cell membrane. it cannot have ribosomes.

The mixture of sperm and fluids from the seminal vesicles, prostate gland, and cowper's glands is called

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?