Terms
The smallest living unit in any living organism
Cell
A crustacean that lives in discarded snail shells
Hermit crab
Tiny, hairlike structures that cover a paramecium and allow it to move
Cilia
Has a large pincer it uses as a "stun gun"
Pistol shrimp
Has eight tentacles; has no shell; is usually dry
Octopus
The part of a cell, often located near the center, that directs the work of the cell
Nucleus
A type of lobster prized for its enormous pincers and meaty tail; also called Maine lobster
American lobster
The part of a cell that surrounds and protects the cell and determines what may enter
Cell membrane
Eats parasites on fish
Cleaner shrimp
Has one pair of legs per segment; is a carnivore; moves quickly
Centipede
Threadlike structures in a cell's nucleus that contain the instructions for running the cell and making needed parts
Chromosomes
A lobster with no pincers that defends itself with long, sharp antennae; also called the rock lobster
Spiny lobster
Amoeba
A crustacean that cements itself to an object and builds a hard shell around itself for protection
Barnacle
Has ten tentacles; has an internal shell; is more likely to attack an enemy
Squid
The jellylike fluid that fills the volume of a cell
Cytoplasm
A small freshwater lobster that feeds on small animals in small lakes, ponds, streams, or drainage creeks; also called crawfish or crawdad
Crayfish
A colony of several jellyfish-like creatures living and working together
Portuguese man-of-war
A crustacean that lives on land in moist places; has seven pairs of legs
Wood louse
Has two pairs of legs per segment; is a herbivore; moves slowly
Millipede
Projections that an amoeba uses to move from place to place; means "false feet"
Pseudopods
One of the smallest shrimp, has "gill-feet" used for swimming, breathing, and filtering water for food
Brine shrimp
A protozoan shaped like a slipper that moves using cilia
Paramecium
A type of wood louse that rolls itself into a ball when it senses danger; roly-poly
Pill bug
Miniature invertebrates made of a single cell
Protozoans