French mathematician who devised the plotting system that uses coordinates named for him
The leaves of a fern are commonly called this, from the Latin for "foliage"
The "fire" type of this insect builds large mounds that interfere with harvesting hay
A perihelion is the point in the orbit of a planet or other celestial body when it's closest to this
Mildews, smuts & morels belong to this group of organisms incapable of making their own food
This phylum of sea animals named for their spiny skin includes sea urchins & sea cucumbers
This layer of fat helps maintain a whale's body temperature at 93-99 F., & that's nothing to cry over
When you "make a muscle" in your arm, you contract this 2-headed muscle
It's secreted by the liver, stored in the gallbladder & released into the duodenum after eating
It's the branch of biology that specifically studies sometimes harmful one-celled organisms