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

Earth’s changing temperatures are affecting animals on land, but they are also affecting other areas. Dive into the marine world with us to explore the effects of rising temperature and ocean acidification on algae.

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.

For many organisms, reproduction is a huge part of life. But what, exactly, does reproduction mean? Well, it can mean so many different things, including breeding or not, caring for young (or not), or giving birth (or not)... read on to learn about the diversity of ways that organisms reproduce.

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