Type
Crossword
Description

Small marine chordates that are filter feeder of plankton TUNICATES
Lay their eggs with shells but nurse their young after hatchin Montremes
These are cold blooded jawless fish and although their ancestors had bony skeletons, modern agnaths have a cartilaginous skeleton. LAMPREY
include frogs, toad and salamanders and appear to live two lives as they live in the water during the early stages and on land as adults AMPHIBIANS
Dry skin with protective scales and are believed to have evolved during a drier climate in Earth’s history REPTILIA
Adapted to flight through the development of hallow bones, large muscles and feathers BIRDS
Feed by allowing water to pass into their pharynx where food particles are trapped LANCEIETS
Have a backbone as their structural axis PHYLUM CHORDATA
This class includes the shark and skates CHONDRICHTHYES
What class do marsupials belong too MAMMALIA
Have three primary characteristics chordates have, but do NOT have a backbone INVERTEBRATE CHORDATES
What class has cold blooded fish have bony skeletons and can be found in salt or fresh water environments. OSTEICHTHYES
Some of these skip the metamorphic stage and the young are born as immature adults SALAMANDERS
Amphi means TWO
Utilize a placenta between the uterus and embryo which results in young being born at a much more advanced stage PLACENTALS
are characterized by four limbs, moist skin, and sensitive inner ear structures. Evolved from fish 400 WHAT years ago? MILLION

Chordates cross word

Type
Crossword
Description

A small fish like organism that lives in shallow tropical oceans.They have no jaw and feed by allowing water to pass into their pharynx where food particles are trapped. also do NOT have appendages and must move by bending their bodies back and forth. LANCELETS
Small marine chordates that are filter feeder of plankton.Only the larvae have a notochord and a dorsal nerve chord as they undergo metamorphosis with the adult becoming sessile colony dwellers. TUNICATES
the class of cold blooded jawless fishand although their ancestors had bony skeletons, modern ones have a cartilaginous skeleton. Agnatha
This class includes the shark and skates.They have a completely cartilaginous skeleton. Their skin is covered in small pointed teeth which gives them a coarse texture. They are also cold blooded. Chondrichthyes
These cold blooded fish have bony skeletons and can be found in salt or fresh water environments Osteichthyes
include frogs, toad and salamanders. and appear to live two lives as they live in the water during the early stages and on land as adults. They have thin, usually scale less skins which serve as respiratory organs and because of this, they must always be wet (live near water) Amphibia
All are four legged except snakes and some lizards They have a dry skin with protective scales and are believed to have evolved during a drier climate in Earth’s history. They are cold blooded. Reptilia
the class of witch birds belong to Aves
The primary characteristics are: Have hair Provide milk for their young Mammalia
Lay their eggs with shells but nurse their young after hatching Montremes
Bare their young alive at an immature stage and they develop in a special pouch Marsupials
young are born at a much more advanced stage Placentals

Vertebrate Crossword

Type
Crossword
Description

jawless species Agnatha
bony fish Osteichthyes
birthed as an egg oviparous
hatches inside mother and is then birthed live ovoviviparous
live birth Viviparous
species of Sirenia manatee
slows a whales heart rate Five reflex
Killer whale odonticeti
Blue whale Mysticeti
odonticeti toothed
Mysticeti baleen
eats meat carnivore
marine bear polar bear
focuses the sounds from echolocation melon
agnatha jawless fish
Chondrichthyes cartilaginous fish
cartilaginous fish Chondrichthyes
Osteichthyes Bing fish
Osteichthyes bony fish
the movement of a species migration
to help birds excrete salt nasal salt glands
birds aves
lizards,crocodiles, turtles, etc. reptilia
seals, walrus, etc. Pinnipedia
Pinnipedia that walk on flippers sea lions
Pinnipedia that wiggle on their bellies seals
Pinnipedia with downward pointing tusks walrus
carries and stores oxygen in muscle cells myoglobin
manatees Sirenia
electroreceptors ampullae of lorenzini

Animal Kingdom Crossword

Type
Crossword
Description

the largest group of invertebrates that have an exoskelton arthropods
invertebrates that live in damp places on land and breathe using either gills or lungs mollusks
invertebrates that have an exoskeleton and tube feet echinoderms
invertebrates that have long, tube-like bodies that are divided into segments segmentedworms
invertebrates that live attached to a surface and has small holes in their bodies to filter water sponges
skeleton is external exoskeleton
animal's with no backbone invertebrates
endothermic vertebrates that have fur or hair and produce milk for their offspring mammals
endothermic vertebrates that have a beak, two legs, and two wings birds
ectothermic vertebrates that live in or near water and have scales reptiles
ectothermic vertebrates that a can breathe their skin when they are in the water amphibians
vertebrates that live in the water and filter oxygen from the water through their gills fish
body temperature says about the same regardless of the temperature of their environment endothermic
body temperature that is close to that of their environment ectothermic
skeleton is inside their bodies endoskeleton
animal with a backbone vertebrate
made up of more than one cell mulitcellular

Vertebrates and Invertebrates Crossword

Type
Crossword
Description

vertebrates like us Humans
they produce milk for their young mammals
both vertebrates and invertebrates need to breath in this gas oxygen
The phylum that includes insects and crustaceans Arthropoda
These animals fly, and belong to the class Aves. Birds
Fish use these to extract oxygen from water. Gills
An animal that takes on the temperature of its surroundings. Coldblooded
These animals have no backbones. Invertebrates
Used by land animals to extract oxygen from the air. Lungs
An animal that has a backbone. Vertebrate
Insects possess this type of skeleton. Exoskeleton
Humans and other vertebrates possess this type of skeleton. Endoskeleton
Frogs, toads, and salamanders Amphibians
The skin of a fish is made of these. Scales
The skin of mammals is covered by__________. hair
Able to maintain a constant body temperature. Warmblooded
invertebrate with 8 legs spider
invertebrate with six legs insect
Body symmetry equal on both sides bilateral
Symmetry in which body radiates out from a central hub Radial

Animals: Invertebrates and Vertebrates Crossword

Type
Crossword
Description

Most basic invertebrate tunicates
Invertebrate with a brain lancelets
Example of a craniate hagfishes
Came before sharks and has a vertebral column lampreys
Has jaws and a flexible skeleton made of cartilage sharks
Fishes with lungs and skeletal rays rayfinned
Descendant of rayfinned fishes with lobed fins lobefins
Organism with a backbone vertebrate
Organism without a backbone invertebrate
Class of organisms with cartilage skeletons chondrichthyans

Fish and Amphibians Crossword

Type
Crossword
Description

Order for salamanders caudata
Amphibians are ___ so they have a low metabolic rate ectotherms
Caecilians have lost these limbs
Another name for bony fish osteichthyes
Bony fish stay buoyant with this swimbladder
Frogs lay eggs in moist areas so that they do not dessicate
Amphibians first appeared in this era carboniferous
In bony fish the __ helps pump water over the gills operculum
Number of chambers in a fish heart two
How most bony fish fertilize eggs externally
Nickname for tiktaalik fishapod
A fully terrestrial early tetrapod with a fish-like tail Ichthyostega
This tetrapod was a "poor excuse for a land animal" Acanthostega
Tetrapods have a fusion of the __ to the backbone pelvicgirdle
Aquatic larvae of terrestrial adult salamanders have useless__ that will be functional as adults lungs

bony fish Crossword

Type
Crossword
Description

what kingdom are bony fish are from? animalia
What allows fish to rest periodically and stability? swim bladder
It opens and closes with each breath gills
It is a sound receptors attach nerves of dorsal fin spinal cord to cilia lateral line
Made of bone skeleton
Popularly to as the bony fish osteichthyes
the chief support of a system, the mainstay back bone
So fish can move in all directions paired fins
What is it called when fish give birth? reproduction
Is slimy and mucus coating skin

osteichthyes Crossword

Type
Crossword
Description

whiskerlike sensory organ near the mouth barbels
popularly referred to as the bony fish, is a diverse taxonomic group of fish that have skeletons primarily composed of bone tissue, as opposed to cartilage. osteichthyes
system of sense organs found in aquatic vertebrates, used to detect movement, vibration, and pressure gradients in the surrounding water lateral line
flattened appendage on various parts of the body of many aquatic vertebrates and some invertebrates, including fish and cetaceans, used for propelling, steering, and balancing fins
the pectoral and ventral fins paired fins
dorsal, caudal, and anal fins unpaired fins
vertebrae extending from the skull to the small of the back spines
thin horny or bony plates protecting the skin of fish and reptiles scales
having many tiny projections on the edge like the teeth of a comb ctenoid
traced by a point on a circle being rolled along a straight line cycloid
hard and bony with a shiny enamellike surface ganoid
cell or plastid that contains pigment chromataphores
iridescent greenish from included guanine iridocytes
protective coloration of some animals in which parts normally in shadow are light and those exposed to the sky are dark countershading
a gas-filled sac present in the body of many bony fishes, used to maintain and control buoyancy. swim bladder
appearing outwardly symmetrical but with the backbone passing into the upper lobe homocercal

Fish Anatomy Word Search

Type
Word Search
Description

anal fin
bony fishes
cartilaginous fishes
caudel fin
chondrichthyes
dorsal fin
gills
jawless fishes
lateral line
operculum
osteichthyes
pectoral fin
pelvic fin

Classification of Organisms Crossword

Type
Crossword
Description

all organisms in this domain are unicellular and prokaryotic Archaea
all organisms in this domain are unicellular and prokaryotic; they have a strong exterior cell wall and a cell membrane Bacteria
variety of plants, animals, and other organisms species diversity
two-word naming system developed by Carolus Linnaeus binomial nomenclature
organisms with internal skeletons, include fish, amphibians, reptiles, birds, and mammals chordates
taxonomic category below phylum (animals) or division (plant) class
to group ideas, objects, or information based on similarities classify
broadest categories of organisms; based on cell type domain
all organisms in this domain have eukaryotic cells possessing membrane-bound organelles Eukarya
the fifth-highest taxonomic category, below an order family
a group of similar organisms genus
the fourth-highest taxonomic category, below a class order
the taxonomic category below a class order
smallest, most precise classification category species