Howard Hughes Medical Institute
Vertebrate Circulatorium
When you get to the heart of the matter, you learn a lot about an organism by studying its circulatory system! A perfect resource for a zoology or anatomy class, the simulation gives users a peek inside a variety of vertebrates to...
American Museum of Natural History
What's This? Breathing
Crazy fact: Some animals can survive months without oxygen. An online resource describes some unique ways animals collect oxygen and even live without it for an extended time. Learners read about these special animals and use pop-up...
Curated OER
Fearsome Creatures 1
In this wild animals worksheet, students fill in the blanks or choose the correct words to sentences about wild animals. Students complete 47 blanks.