P Flashcards
Parasite
A plant or animal that lives in or on another plant or animal and obtains nourishment from it
Pectoral fin
One of a pair of fins along a fishes side just behind its gills
Pelagic
Occurring in open ocean
Pelvic fin
One of a pair of fins on a fishes underside, usually just below and behind the pectoral fins
Photic zone
The upper sunlit ocean layers to 350 ft (197m deep) of central California. Also called the epipelagic zone
Photophore
A body organ that makes light
Photosynthesis
The process by which green plants use energy from sunlight to produce sugar and oxygen from carbon dioxide and water
Phytoplankton
Plant plankton
Pinniped
A member of the group ( suborder pinnipedia ) of marine mammals having finlike feet or flippers (like seals and sea lions)
Planktivore
An animal that eats plankton
Plankton
Plants and animals that swim weakly or not at all and drift with the ocean currents
Pod
A group of whales swimming closely together
Pollution
Degradation of the natural environment
Posterior
Toward the rear or trailing end (opposite of anterior)
Predator
An animal that kills and eats other animals
