area where two closely related species continue to interact and reproduce, forming hybrids

process of mating two individuals that differ with the goal of achieving a certain characteristic in their offspring

molecule that consists only of carbon and hydrogen

weak bond between slightly positively charged hydrogen atoms and slightly negatively charged atoms in other molecules

organelle carried by parabasalids (Excavata) that functions anaerobically and outputs hydrogen gas as a byproduct; likely evolved from mitochondria

reaction that causes breakdown of larger molecules into smaller molecules with the utilization of water.

describes ions or polar molecules that interact well with other polar molecules such as water

molecule with the ability to bond with water; “water-loving”

describes uncharged nonpolar molecules that do not interact well with polar molecules such as water

molecule that does not have the ability to bond with water; “water-hating”

area of the Earth where water movement and storage occurs

skeleton that consists of aqueous fluid held under pressure in a closed body compartment

fissure in Earth’s surface that releases geothermally heated water

family of gibbons

family of gibbons