Type
Word Search
Description

Antennae
Appendages
bodyplan
Cephalization
Cirri
Crayfish
CS
Digestion
Excretion
Isopods
Mandibles
Molting
Mouthparts
Nauplius
Neural
Respiration
Sense organs

Marine Science Crossword

Type
Crossword
Description

Organisms with 10 appendages Decapod
Pair of chelipeds in a moveable finger Dactyl
The hard uppper shell of a turtle, crustacean, or arachnid Carapace
Thin sensory appendages on the heads of insects, crustaceans, and some other arthropods Antennae
A pair of globular organs in the head through which organisms see, Eyes
Inhabit intertidal and near-shore habitats in the colder and temperature waters of the Earth's oceans Cancer Crabs
Live on sandy bottoms and have thin exoskeletons Pacific Coast Crab
One of the pair of legs that bears the large chelae in decapod crustaceans Chelipeds
An aquatic mollusk that has a compressed body enclosed within a hinged shell, such as oysters, clams, mussels, and scallops Bivalve
Inhabits the rocky intertidal zone; very agile climber and rapid crawler Shore Crab
Relatively short for shore crabs Walking Legs
Clan of closely related animals that includes snails, slugs, clans, oysters Molluscs
"Stomach foot"; snails and slugs Gastropod
Blanket of soft tissue that covers a mollusc's body like a bathrobe Mantle
Long ribbon-like tongue coated with overlappping teeth Radula
Encased by an external skeleton and appendages are jointed Arthropods
Smallest of crustaceans; have elongated antennae Copepod
One of the walking limbs of a crustacean Pereopod
swimming limb of a crustacean, five pairs of which are typically attached to the abdomen Pleopod
The rearmost segment of the body of certain arthropods, such as the middle lobe of the tail of a lobster Telson
the sixth and last pair of abdominal appendages of lobsters and related crustaceans, forming part of the tail fan Uropod
used in feeding and mating; claw-like gnathopods
an arthropod of the large, mainly aquatic group Crustacea, such as a crab, lobster, shrimp, or barnacle crustacean
the terminal segment of a forelimb, manus
distinct male and female individual organisms dioecious
have a row of small blue eyes along the mantle edge Scallops
large phylum of segmented worms annelids
outer covering made of tough but flexible collagen cuticle
brightly colored segmented worms Polychaetes
paddle-like fleshy paired appendages parapodia
Bundles of bristles setae
pair of feelers palps
Composed of chitin exoskeleton
have a curved body that is flattened sideways Amphipods
dorsoventrally flattened Isopods
pointed appendages which are used to grasp food Chelicerae

Arthropods Crossword

Type
Crossword
Description

Type of respiratory structure in crayfish GILLS
Appendages used for biting and chewing by most arthropods MANDIBLES
Type of respiratory structure in beetles TRACHEAL TUBES
Appendages used for sensing and holding prey on spiders-as well as for reproduction in males PEDIPALPS
Short legs located behind the walking legs on crustaceans SWIMMERETS
A series of major changes from larval form to adult form METAMORPHOSIS
The structure that removes cellular wastes from the blood-also used to preserve water and maintain homeostasis MALPIGHIAN TUBULE
Hard, tough outer covering of many invertebrates EXOSKELETON
The chemical ants produce for communication PHEROMONES
Middle body region consisting of 3 fused segments-wings and legs are attached here THORAX
Posterior end-bears additional legs and contains digestive structures and reproductive organs ABDOMEN
Posterior end-bears additional legs and contains digestive structures and reproductive organs PUPA
When the exoskeleton is shed MOLTING
Type of respiratory structure in spiders BOOKLUNGS
Most anterior pair of appendages on spiders CHELICERAE
Openings in arthropod bodies where air enters and and waste gases leave SPIRACLES
The name of immature forms of insects that have no wings but look like the adult NYMPHS
The structure in spiders that is used to spin silk SPINNERETS
Where the thorax and head fuse together into a single structure CEPHALOTHORAX
First pair of legs on crustaceans CHELIPEDS
Examples:legs and antennae; they grow and extend from the animals body-enable arthropods to move in more complex ways JOINTEDAPPENDAGES
Animals without backbones INVERTEBRATES

Invertebrates Crossword

Type
Crossword
Description

head foot cephalopods
stomach foot gastropods
shell made of two parts bivalves
insects, crustaceans, and arachnids arthropds
several segments with a greater range of motion jointedlegs
protects organs exoskeleton
change in form as larva develops into adult metamorphosis
openings on abdomen and aid in gas exchange spiracles
invertebrates bodies divided into sections segments
tube directly behind the mouth pharynx
male and female hermaphrodites
parts branch out in all directions symmetrically radial
two equal halves bilateral
brain activity cephalization
mouth part for invertebrate mandible
protects thorax carapace
internal support endoskeleton
segment behind the head thorax
fusion of head and thorax cephalothorax
posterior part of invertebrate abdomen
parasites with long ribbon like bodies tapeworms
slender bodieed parasites roundworms
known as wheel animals rotifier
fertilize dirt earthworms
parasites that live on the blood of prey leeches
make pearls clams
move by sliding along a layer of mucus snails
gastropods without shells slugs
tentacles that surround a more developed nervous system octopus
terrestrial isopod pillbug
crustacean with broad carapace, stalked eyes, and five pairs of walking legs crabs
large marine crustacean with a cylindrical body lobster
eats wood termites
eats clothes moth
large green insect that feed on other insects w/ raised front legs mantis
plant eating insect with long hind legs grasshopper

Marine Invertebrates Review Crossword

Type
Crossword
Description

To which phylum do sponges belong? porifera
To which phylum do coral and anenomes belong? Cnidaria
To which phylum do comb jellies belong? Ctenophora
To which phylum do snails, scallops, and squid belong? Mollusca
To which phylum do worms belong? Annelida
To which phylum do crabs, spiders, and shrimp belong? Arthropoda
To which phylum do urchins, sea stars, and sand dollars belong? Echinodermata
How do sponges, bivalves, and some worms feed? filter feed
Which Cnidarian body plan has the mouth and tentacles facing up? polyp
Which Cnidarian body plan do jellyfish have? medusa
What cells in a sponge have flagella? collar cells
What type of symmetry do Cnidarians and Echinoderms have? Radial
What type of symmetry do Mollusks, Annelids, and Arthropods have? Bilateral
What structures allow comb jellies to swim? cilia
Comb jellies are able to produce light, an ability known as ________________ bioluminescence
What are a Cnidarian's stinging structures called? nematocyst
Which Mollusca class has a single shell, muscular foot, and a radula? Gastropoda
Which Mollusca class has two hinged shells and includes oysters and clams? bivalvia
Which Mollusca class includes these adaptations, venom, ink, and camouflage? cephalopoda
Which Annelida class has body segments with parapodia that have many bristles, called chaetae? polychaete
Arthropods have jointed __________________. appendages
Arthropods molt to shed their ____________________. exoskeleton
Echinoderms have _______________ skin. spiny
What structures allow Echinoderms to move? tube feet
How does an octopus and squid swim? jet propulsion

Invertebrates Terms Crossword

Type
Crossword
Description

In aquatic animals, this structure allows fish to breathe gills
animal with no backbone invertebrate
organism with more than one cell. The cells work together multicellular
skeleton on the interior of the organisms body endoskeleton
skeleton on the exterior of the body exoskeleton
basic need of all living things Water
flattened organism with a digestive system and only one opening flatworm
Round, cylinder body with two openings Round worm
animal with joints on their appendages and legs and a jointed exoskeleton arthropod
An organism that filters the water for food; Think Patrick's best friend sponge
organism that lives in or on another organism parasite
animal with a soft body and no skeleton mollusk
the action or process of regenerating or being regenerated, in particular the formation of new animal tissue regeneration
cnidarians have stinging cells called _______________. Cnidocytes
heart that circulates blood that forms a closed loop closed circulatory system
when the end of an organism contains all nerve tissues and sensory organs cephalization
nearer the front, especially situated in the front of the body or nearer to the head anterior
irregular in shape; containing no symmetry asymmetric
body cavity that contains organs coelom
relating to the upper side or back of an animal or organ dorsal
appendage that makes some invertebrates mobile foot
organism can be split into two equal halves and no more bilateral symmetry
___________ is a carbohydrate that forms part of the exoskeleton of arthropods. chitin
body part of crustaceans made of the head and thorax cephalothorax
half of the crushing organ in an arthropod's mouthparts mandible
an outer or enclosing layer of tissue mantle
what happens between the caterpillar and butterfly stage metamorphosis
shedding an old shell, to make way for a new growth. molt
nerve cells are linked to one another in a web nerve net
a cartilaginous skeletal rod supporting the body in invertebrates notochord
further back in position; of or nearer the rear or hind end posterior
body plan where all parts are centered around a circular axis radial symmetry
back part of the body of an arthropod; part of an insect's body behind the thorax abdomen
the major cord of nerve fibers running the length of an animal's body nerve cord
false body cavity pseudocoelom
arachnid with 8 legs spider
these never go away in the summer; are considered a nuisance mosquitos
tube where invertebrates get rid of waste nephridium
both digestive and circulatory cavity gastrovascular cavity
a marine echinoderm with five or more radiating arms starfish

Crustaceans Crossword

Type
Crossword
Description

shrimplike, flattened sides amphipods
jointed appendages, exoskeleton, bilateral symmetry arthropods
overlapping calcium carbonate plates and cirri barnacle
overlapping membranes used for breathing and locomotion book gills
part of exoskeleton that coves head and chest regions carapace
comprises head and chest region cephalothorax
carbohydrate that makes up the exoskeleton of arthopods chitin
feathery appendages that catch food partacles cirri
base of ocean food chain copepod
bilateral symmetry, exoskeleton, and two main body segments crustaceans
tough body covering of chitin exoskeleton
six pairs of appenedages, carapace, book gills, and spiked tail horseshoe crab
flattened bodies, seven pairs of legs isopod
cold-water, shrimplike, planktonic crustacean krill
shedding outer covering each year molting
small paddlelike appendages under the abdomen swimmerets
long spiked tail used for locomotion telson

Life Processes Crossword

Type
Crossword
Description

A living thing Organism
An organism that can make its own food Autotroph
The removal of metabolic cellular waste products Excretion
The basic unit of life Cells
Movement of materials in an organism Transport
Process which releases energy from food Respiration
An organism that cannot make its own food Heterotroph
Life process which increases the number of cells Growth
Breaking down of food Digestion
The sum of ALL chemical activities in an organism Metabolism
Life process the includes ingestion and digestion Nutrition
Consisting of a single cell Unicellular
An organism consisting of many cells Multicellular
Scientific name for "food/sugar Glucose
Process by which autotrophs make(sythesize) food Photosynthesis
Life process in which organism get energy from food Respiration
Scientific name for energy ATP

Arthropod Word Search

Type
Word Search
Description

Metamorphosis
Spinnerets
Pedipalps
Chelicerae
Telson
Swimmeret
Cheliped
Rostrum
Carapace
Decapod
Mandibles
Sessile
Molt
Exoskeleton
Gills
Book Lung
Trachea
Spiracle
Simple Eye
Compund Eye
Malpighian Tubes
Abdomen
Thorax
Entomology
Arthropoda

Living and Nonliving Word Search

Type
Word Search
Description

organisms
dormant
nonliving
dead
living
respiration
sensitivity
reproduction
excretion
nutrition
growth
movement

Crayfish & Grasshoppers Crossword

Type
Crossword
Description

These long sensory structures contain receptors for smell and touch. Antennae
The fused thorax and head region of a crayfish. cephalothorax
A lightweight suit of armor. Provides framework for support, protects soft body tissues, provides location for muscle attachment. exoskeleton
This "type" of appendages allows for flexible movement. jointed
Crayfish use these structures to obtain oxygen. gills
The first pair of legs on a crayfish. Adapted for catching and crushing food. chelipeds
These legs are mainly for locomotion in the crayfish. walking
The short legs behind the walking legs of the crayfish. Used for reproduction and swimming. swimmerets
The middle section of the most posterior portion of a crayfish. telson
The portion of the crayfish you cut off of the cephalothorax. It covered the stomach, gills and more. carapace
The type of circulatory system seen in a crayfish. open
Crayfish possess this gland which collects waste materials from blood and excretes the waste through pores at the base of each antenna. green
The teeth like structures within the stomach of the crayfish are made of this substance. Chitin
A crayfish has a _____ nerve cord. This means it runs along the bottom interior of the crayfish. ventral
In the crayfish, wastes are expelled through the ____. anus
Grasshoppers have ____ pairs of wings. two
Grasshoppers breathe air through these small lateral openings. spiracles
The Phylum of grasshoppers. Arthropoda
The Class of grasshoppers. Insecta
This is the "eardrum" of the grasshopper (2 words, no space). tympanicmembrane
The pointed egg laying tube at the posterior of the female grasshopper. ovipositor
The grasshopper has a large eye which we call the ________ eye. compound
The 3 regions of the grasshopper are the head, ________ and abdomen. thorax
The upper lip on a grasshopper. labrum
The jaws of the grasshopper. mandibles