Welcome to Ask A Biologist. This site has a large collection of biology learning materials that includes stories, games, activities, videos, and a podcast.

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Our biological sex determines a lot about the way our bodies look and function. But what determines our biological sex?

GMO might sound like a hard-to-understand name. But taking a quick look into the world of genetic modification will hopefully make it all a bit easier to understand.

And the winner of the 2009 Ugly Bug Contest is...

A city saved and thanks to a last minute 100 Ugly Bug Contest votes, an amazing win for the Astonishing Treehopper.

An interview with palynologist Vaughn Bryant from Texas A&M. Listen in as Dr. Biology learns how pollen is providing clues for more than scientists. These tiny bits of information turn out to be something more than sneeze triggers.

An interview with, biologist, movie maker, and Pulitzer Prize winning author Bert Hölldobler. Venture into the world filled with amazing facts and feats by an animal that will remain a mystery... at least until you listen to the clues at the beginning of this episode and make…

Even though we live in a modern world how we act and what we do many times is controlled by our Stone Age brain. This impacts our diet, friendships, love and more. Dr. Biology sits down with authors Doug Kenrick and David Lundberg-Kenrick to get the inside story…

Imagine a day at work where your clients range from tiny reptiles to massive elephants, each with their own unique health needs. That's a regular day for our guest in today's episode, Dr. Gary West, the Senior Vice President of Animal Health and Living Collections at the Arizona…

a girl looking at some puzzle pieces that have different ecosystems

Ecosystems

Read I Spy an Ecosystem and then take this quiz to test your knowledge!

a person with a lens searching on some internet browsers on the floor

Searching theInternet

Read How to Find What You Need on the Internet and then take this quiz to test your knowledge!

a hand placing pin points on a map

Mapping the Future

Read Mapping the Future and then take this quiz to test your knowledge!

Beetle Dissection

Beetle Dissection

Explore the Beetle Dissection

The outside of beetles can be shiny, dull, or extremely colorful. But what is going on inside of beetles?…

Rainforest virtual biome tour

Virtual Reality Tours of Biology

Explore our Virtual Tours

See the world of biology through virtual tours. Visit different environments, travel through…

Comparative physiology game

Frankenstein's Lab

Play Frankenstein's Lab

Dr. Frankenstein needs your help to learn about how the bodies of different animals work! Build your own creature from 3…

An illustration of different cell sizes and a ruler, to measure nuclear cytoplasmic ratios

Cell Size SIM

Play the Cell Size SIM

Certain cell types should have a general size and have proportionate parts. But what if those sizes and proportions are…