Answer:
changes in the environment and or cross breeding
Explanation:
Whether or not the fatty acid has double or single covalent bonds
a fatty acid is saturated when only single bonds to H hold it together
a fatty acid is unsaturated when a double bond helps hold it together, this type of fatty acid becomes bent as a result
The cell part that has the same function of the skeletal system is the cell wall
It would be osmosis because osmosis is the diffusion of water through a selective membrane.
I believe the answer is B. <span>The antibodies on B cells bind to the antigens on the pathogen's surface.
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