Studying one year less if transfer to UCSD grad school as UCSD undergradute?

<p>I have heard that some of the undergraduates from UCSD going up to UCSD grad school can spend one year less to finish their master degree. Is that true for all master degree program?</p>

<p>I am more interested in Marine Biodiversity and Conservation. If this is true, i am going to transfer to UCSD...</p>