In this interactive object, learners examine the neuron pathway into and out of the spinal cord. They complete the activity by testing their knowledge of vocabulary and the location of spinal cord structures.

In this learning activity you'll analyze the structures of Buddhism and identifies the countries with the largest Buddhist populations.

Students read about the process of hair growth beginning with the joining together of amino acids.

Learners read about the mutations that occurred in plants for the successful transition from an aquatic to a terrestrial existence. The classification of plants is based on these adaptive structures.

In this learning activity you'll analyzes the structures and processes of religion within a global context.