What entry-level bachelor's degree has a $50k starting salary? ?

Not biology unless you get really lucky. When I was a kid, the guy next door dug ditches with a degree in biology. Really.

I think Supply Chain Management pays fairly well. My nephew graduated from Auburns in it and got a job easy although I did not ask about his pay. He did several summer internships that were mandatory.

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(Auburn)Harbert College’s highly sought-after supply chain management graduates gain valuable, real-world experiences via required internships, case competitions and analytical projects. The average starting salary for a Harbert College of Business supply chain management graduate in May 2020 was $60,500.

"graduating with a B.S in biology this semester and am looking to widen my scope and figure out which professions to invest in"

Ok. So for starters, you did that backwards. You're supposed to figure that part out first, THEN go spend tens of thousands of dollars on a degree. Because you are about to learn a terrible lesson: There is basically nothing out there for a B.S. in biology that pays anything close to that -- especially not at the entry level. A B.S. in biology isn't a tertiary degree or a particularly employable one. It mostly exists to train biology teachers and to get you into graduate school. On it's own, it doesn't go very far.

Sorry you are finding this out at the end of the process instead of the beginning. Perhaps your story will serve as a warning to others -- do your research FIRST, then go get the degree.

Entry Level and make $50,000 a year?  You cannot even be an entry level thug and earn $50K a year.

Excuse me.. emergency clean up/crime scene cleanup.  You can have a GED and earn up to $60,000.00 your first year.

Apply at ServePro.

A new unproved basic graduate..... your expectations are too high, you get a job, any job and work your way up

You are fresh out of college, your work experience is probably waiting tables or flipping burgers. You are not going to hit the jackpot right out of school with a biology degree.