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

Whether coming up with new methods for microscopes, or finding out new things about photosynthesis, Petra Fromme loves the process of discovery.

Germs are tiny organisms that can make you feel sick and cause disease. During this activity you will illustrate the steps germs take during transmission. You will learn about the different types of bacteria, how they are spread, and discuss ways to keep from getting sick.

Fatty foods may be delicious but if we eat too much, the white blood cells in our guts can be destroyed. Learn more about the disease this can cause called “leaky gut”.

Some ticks carry a nasty bacteria that they can pass on to humans when they bite. Learn how the health status of the humans they bite helps control what they pass.