Terms
Study of ocean life
Marine biology
Mollusk having a singular shell
Univalve
Mollusk that has two hinged shells
Bivalve
Arm of an echinoderm
Ray
Cold-blooded vertebrate that has fins and scales; uses gills to breathe oxygen and usually lays eggs
Fish
Baby shark or ray
Pup
Cold-blooded vertebrate that has scaly skin and breathes using lungs
Reptile
Warm-blooded vertebrate with wings, two legs, and a beak or bill
Bird
Baby whale or walrus
Calf
An animal that eats only meat
Carnivore
What type of unlearned knowledge is present with an animal from birth?
Instinct
Plumage
Feathers
To groom feathers
Preen
Seasonal movement between two habitats
Migration
Mammal
Level of classification below phylum
Class
Animal that eats other animals that have already died
Scavenger
Organism on which a parasite feeds
Host
Animal's natural area of habitat
Range
Fish with a skeleton made of bones
Bony fish
Tail fin
Caudal fin
Aquatic turtle with paddle-like limbs; lives most of its life in the ocean
Sea turtle
Food-storage sack in a bird's esophagus
Crop
Baby seal or sea lion
An animal that eats only plants
Herbivore
What is a protozoan having one or more flagella called?
Flagellate
Unicellular, animal-like organism; part of kingdom Protista
Protozoan
A group of eggs
Clutch
Process of keeping eggs warm while chicks are developing
Incubation
Insulating layer of fat under the skin of whales and other marine mammals
Blubber
Level of classification below kingdom
Phylum
Cnidarian form that is attached to a surface; has an upward-facing mouth and tentacles
Polyp
Soft-bodied invertebrate with a muscular foot and a mantle
Mollusk
To grow back
Regenerate
Fish with a skeleton made of cartilage
Cartilaginous fish
Gas-filled organ in fish that enables them to swim at various depths
Swim bladder
Hollow or grooved teeth a snake uses to inject venom into its prey
Fangs
Part of a bird's stomach that grinds food
Gizzard
Whale having teeth for tearing and eating food
Toothed whale
An animal that eats both meat and plants
Omnivore
What asymmetrical protozoan is able to change shape?
Amoeba
Floating, animal-like water organisms; many are protozoa
Holes behind a shark's or ray's eyes that are used for inhaling water
Spiracles
Migration path of birds
Flyway
Whale having baleen in its mouth instead of teeth for filtering food
Baleen whale
Structure made of several types of tissue to perform a definite function for a system
Organ
Arthropod class with a hard exoskeleton, two main body regions, and two pairs of antennae
Crustacean
Organism that attaches itself to another organism and feeds on it
Parasite
Group of cells working together to perform a single function for an organism
Tissue
To lay a large number of eggs in the water
Spawn
Sense organ along a fish's head and body
Lateral line
Aquatic lizard
Marine iguana
Bird born with down; able to swim, walk, or run right away
Precocial bird
Group of whales
Pod
Bristles that help an annelid move
Setae
What are the "false feet" of an amoeba called?
Pseudopods
Floating, plant-like unicellular algae
Phytoplankton
"Square" on a turtle's carapace
Scute
Nesting colony of birds
Rookery
To leap completely out of the water
Breach
Shell of some crustaceans and other animals
Carapace
Cnidarian
Cnidarian form that usually swims freely; has a downward-facing mouth and tentacles
Medusa
Mother-of-pearl lining of some mollusk shells
Nacre
Enamel like scales of sharks and rays
Denticles
Fin on the top of a fish's body
Dorsal fin
S-shaped movement of a snake
Lateral undulation
Bird born featherless and helpless
Altricial bird
Walrus, seal, or sea lion
Pinniped
Spiny-skinned invertebrate with radial symmetry
Echinoderm
What is a segmented worm?
Annelid
Sea sponge; has a porous structure
Poriferan
Refers to an organism able to give off its own light
Bioluminescent
Tail fin of a whale, dolphin, or porpoise
Fluke
Process in which some animals make sounds and listen for echoes to tell what objects are nearby
Echolocation