## i-l

### i

- ink n. Many cephalopods produce a cloud of dark pigment when threatened by predators. This either hides the cephalopod from view or distracts the predator.
- insect n. Members of the arthropod subphylum Hexapoda and the class Insecta. All insects have an exoskeleton, three body parts with a pair of appendages on each, compound eyes and a pair of antennae.
- invertebrate n. Any animal lacking a backbone. Invertebrates make up over 95% of all animal species.

### j

- jaguar n. Phylum, Chordata, Class Mammalia, Order Carnivora. A large, New World cat (Felidae), found from the U.S.- Mexican border southward to Argentina, usually in swamps, jungles, and other wooded regions.
- jellyfish n. Phylum Cnidaria, Class Scyphozoa, Class Hydrozoa, Class Cubozoa. A free-swimming marine cnidarian that has a nearly transparent, saucer-shaped bell and tentacles and swims by pulsing its body.

### k

- king cobra n. Phylum Chordata, Class Reptilia, Order Squamata. A large elapid snake from southeastern Asia and the Philippines that can attain a length of 18 feet (5.5 meters).

### l

- larva n. A free-living, immature stage in the life cycle of many animals, often very different in appearance from the adult and usually incapable of reproduction.
- larvacean n. Phylum Chordata, Class Appendicularia. A type of chordate that lives in the open ocean, has no bony structures, and makes its living filtering tiny particles with a self-made net.
- leafy hornmouth n. Phylum Mollusc, Class Gastropoda. A type of shelled mollusc producing elaborate ridges at phases during shell growth.
- leech n. Phylum Annelida, Class Hirudinea. A flattened type of segmented worm (annelid) with suckers at each end, many of which live solely off the blood of other animals.
- lembeh straights n. A region in northern Sulawesi, Indonesia, famous for its muck diving.
- lichen n. An organism formed by the symbiotic association between fungus and photosynthetic algae.
- life cycle n. All the stages of different forms a single species can take as it goes from the adult to an adult in the next generation.
- lumbricus n. Phylum Annelida, Class Oligochaeta Segmented annelids, also called earthworms or angleworms, that live in soil and play a key role in aerating the ground.