February 15, 2019

Why do crabs and lobsters have shells?

Because they’re arthropods – the same animal group that includes insects and arachnids. If it has at least six legs, a segmented body, and wears its […]
February 15, 2019

Why do insects have shells instead of skin?

They wear their skeletons on the outside of their bodies, and they can change these shells just like we change our clothes. When a bug outgrows […]
February 15, 2019

Why are insects crucial to our survival?

Because the world would be a lifeless brown ball of dust without them. Many of these creepy creepers feast on feces (poop) and dead plant an […]
February 15, 2019

Why don’t we just kill all those pests?

Because they have us outnumbered! More than 80 percent of all species on Earth belong to this wildly diverse group of creatures, and biologists are discovering […]