Ch 2 - Definitions (2.7 - 2.11) Flashcards
What is the term for an arthropod with a hard, crusty shell?
crustacean
What term describes the ability of crustaceans to replace lost body parts?
regeneration
What do we call the leglike limbs connected to a lobster’s abdomen?
swimmerets
What is a carnivore?
a flesh eater
What is a herbivore?
a plant eater
What is the term for soft-bodied invertebrates such as clams, oysters, snails, and squids?
mollusks
What is the term for a mollusk such as a small snail or slug that has a muscular foot that they use to slide forward on a layer of slime?
gastropod
What word describes one-shelled mollusks, such as snail, conch, or cowrie?
univalves
What word describes mollusks with two matching, fan-shaped shells joined by hinges, such as mussels, oysters, and scallops?
bivalves
What is the name for the group of mollusks in which the foot and head are combined into a single headlike structure?
cephalopods
What is the name for the miniature invertebrate made up of one cell?
protozoan
What is a cell?
A cell is the smallest living unit in any living organism.
What do we call the part of a cell that surrounds and protects the cell and determines what may enter?
the cell membrane
What do we call the jellylike fluid that fills the volume of a cell?
cytoplasm
What do we call the part of a cell often located near the centre that directs the work of the cell?
the nucleus
