I'm not sure but I thinks the first animal that produce bacteria is Pig.
I'm not completely sure, but I'm fairly certain that the answer is B.
Osmosis is the diffusion of water across a semi-permeable (or differentially permeable or selectively permeable) membrane. The cell membrane, along with such things as dialysis tubing and cellulose acetate sausage casing, is such a membrane. The presence of a solute decreases the water potential of a substance.
In what area did the National Association for the Advancement of Colored People (NAACP) have its first successes? pressuring Congress to pass voting rights laws winning court battles against public school segregation bringing Northern whites into the Civil Rights movement winning court battles against discrimination in employment