What makes an insect an insect?
What makes an insect an insect and separates insects from other small hard-bodied creatures?
Did You Know?
The predominant shrub found in Big Bend National Park is creosote. While most shrubs lose their leaves in winter, creosote maintains its resinous foliage year round. After a rainstorm, the shrubs "green-up" and produce small, yellow flowers several times a year. More...