Where did spiders (arachnids) come from? What was their origin? Clearly, the fossil record shows spiders have always been spiders^1,2 along with other chelicerates (a subphylum of the arthropods).

The element nitrogen is critical in the living world. It is a basic building block of structural and regulatory proteins, nucleic acids, and chlorophyll in plants. God created the nitrogen metabolic networks found in people and various living organisms.

Animals designed to fly are classified into four groups: the extinct flying reptiles (pterosaurs), insects, mammals (bats), and birds. According to the creation model, bats and birds were created on Day 5 as bats and birds.