7.5
a soft-bodied, elongated, fast-swimming cephalopod mollusc with eight arms and two longer tentacles.
Squids
the soft main body of the animal and contains all the vital organs
Visceral mass
mouthparts that are used for biting, cutting, and holding food.
Jaw
this group of invertebrates are a FUSED unit of head and thorax in certain arachnids and crustaceans.
Cephalothorax
group of marine mollusk with a prominent head, many arms, and eyes above its limbs (such as octopi or squids)
Cephalopods
dorsal body wall that covers the visceral mass
Mantle
respiratory organs that help invertebrates exchange gases with water. They are an evolutionary adaptation that allows many aquatic animals to breathe underwater
Gills
the part of the body between the chest and the hips. It's also the body cavity that contains the stomach, intestines, and other digestive organs.
Abdomen
a marine bivalve mollusc with shells of equal size.
Clams
any of a large class of mollusks (as snails) that have a muscular foot at the bottom and usually both a distinct head bearing sense organs and a spiral shell into which the body can be withdrawn
Gastropods
invertebrates with six legs, three body parts, and an exoskeleton. They are the largest group of arthropods, which are the largest group of animals.
Insects
invertebrates with MANY legs.
think: centipedes and millipedes.
Myriapods
an aquatic mollusc which has a compressed body enclosed within a hinged shell, such as oysters, mussels, clams, and scallops.
Bivalves
refers to the hard outer coverings of animals
Shell
animals that usually have a hard covering, or exoskeleton, and two pairs of antennas, or feelers. People around the world eat many types of this group of invertebrates—for example, crabs, lobsters, shrimps (or prawns), and crayfish
Crustaceans
a class of animals with segmented bodies, jointed appendages, 8 legs, and exoskeletons. They include spiders, scorpions, ticks, and mites.
Arachnids