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Biology jokes 🧠 in 2025

I was going to study marine biology dude. Turns out it was just a lot of maths.
-Really dude? What course?

Algae brah.

If H2O is the formula for water, what is the formula for ice?
-H2O cubed.

What do you call a FISH with no Eyes?
-A FSH.

Biology Professor: The small intestine of human is only 6 meters long, yet contains villi that is folding up so much, when unfolded, it’s about 40 square meters.
-Professor (continued): If you walk on that, it’d take you 7x of time than you expected.

Student: I experienced that in Ikea.

I took my Biology exam last Friday. I was asked to name two things commonly found in cells.
– Doh.

What do sprinters eat before a race?
-Nothing, they fast!

I told my Biology lab partner to let me be her DNA helicase…
-So I can unzip those genes.

I made a DNA joke in my biology class but no one laughed…
-Guess my thymine was off.

How do you make a hormone?
-Don’t pay her.

Dr. Parker, the biology instructor at a posh suburban girl’s junior college, said during class, “Miss Smith, would you please name the organ of the human body, which under the appropriate conditions, expands to six times its normal size, and define the conditions
-Miss Smith gasped, blushed deeply, then said freezingly,
Dr. Parker, I do not think that is a proper question to
ask me, you should be asking a boy. And I assure you my
parents will hear of this.” With that she sat down, very
red-faced.

How do you pass a biology test on excretion?
-Process of elimination.

Did you just mutate for a stop codon?
-Because you’re talking nonsense!

How did the herpetologist know he would be married soon?
-He caught the garter snake.

I walked into the biology lab and saw my lab partner dissecting an insect.
-I told him, “I think your fly is open.”

Signing up for Marine biology this semester was disappointing.
-I never learned what’s going on in Le Pen’s head

What did Gregor Mendel say when he founded genetics?
-“Woopea!”

What do you get when you mix picture day with writing a biology essay?
-photos-and-thesis

What’s the difference between a dog and a marine biologist?
-One wags a tail and the other tags a whale.

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