Definition
PhanerozoicAnimal Crossword Quil Water Insects Spines Mucous Metamorphosis Sponges Phylum Wings Tissues Radial Testes Septa Polyp File Fluid Bats Fats Four Rays Tadpole Spermatophore Swim bladder Two Teeth Follicle Asexual Bilateral Mouth Diapsid Vane Ventral Oral Anus Radula
Definition
The base of the feather that emerges from the follicle that forms it To survive, all amphibians have to lay their eggs in this Probable food for the first amphibians on land Echinoderms get their name from these structures found on their surface These glands in an amphibian help to keep its skin moist The transition from a tadpole to an adult frog These filter feeding and the simplest of animals architectures appears prior to the Cambrian period The taxonomic level of the Porifera Although almost all insects have them now for locomotion, ancestrally they didn't Sponges are organized at the cellular grade and don't have cells organized as these The type of symmetry characteristic of cnidarians The sperm duct transports gametes from this organ to the seminal vesicle In annelids, these separate their metameres from each other this is the sessile stage in the cnidarian life cycle this is the sessile stage in the cnidarian life cycle Lampreys are best described as this type of feeder Flying mammals These secretions of the sebaceous gland help maintain the hair of mammals The number of Arthropod phyla that survive the extinction at the end of the Cambrian Small little bones that support the fins of bony fish An immature larval amphibian A male insect's sperm package Bony fish maintain neutral density using this structure We refer to the life cycle of cnidarians as dimorphic because it has this number of distinct body types There are thousands of these on the surface of the radula, and they can scrape, pierce, tear or cut at a mollusc's food Hairs in mammals grows out of this A bryozoan colony grows using this type of reproduction A larval echinoderm has this type of symmetry Cnidarian eliminate undigested food through this opening in their digestive tract This type of reptile skull had two openings in the skull to accommodate the jaw muscles The part of the feather that the barbs are connected to the vane A free living flatworm's mouth is located on the side of the animal If you are looking straight into the mouth of a hydrozoan, this surface is facing you A cnidarian gastrovascular cavity is an incomplete gut because it lacks this This unique mollusc feeding structure first appeared in the Cambrian
Pupa Pelvic Spicules Nostrils Membranes
You won't find this stage in a hemimetabolous insect The posterior set of paired fins are these fins The supporting and defensive structures in sponges An amphibian can breathe through these when its mouth is shut Reptile eggs have these and amphibians eggs don't and the reason that reptiles can survive on land Skin The main respiratory surface in most amphibians Scales A shark teeth are highly modified versions of these surface structures Glands To be able to keep amphibian skin moist you'll find many of these in the skin Calcium The addition of this mineral to the skeleton occurs in all gnathostomes except the sharks and rays (Chondrichthyes) Operculum This moveable flap covering a fish's gills helps to pump water over the gills Hemimetabolous When the adult and juveniles look the same in insects, this is referred to as this type of metamorphosis Intercostal These muscles help to ventilate a reptiles lungs Carnivores Most cnidarians are predators feeding on other small animals that they capture. If they fed on plants they would be called herbivores but they're called this because of what they feed on Three Insects have this many pair of legs Coelomic This fluid provides the hydro in the hydrostatic fluid in worms Mammals The class of vertebrates all have a single opening in the skull to accommodate the jaw muscles Mantle In a mollusc the edge of this tissue secrets the shell and creates the cavity that bears its name Turtles The only living group of vertebrates without an opening in the skull to accommodate the jaw muscles Cnidocyte This unique cell gives the Cnidaria its name Tubefeet The main locomotory structures used by echinoderms Anapsid This type of reptile skull has no openings in the skull to accommodate the jaw muscles Pupal The stage in some insects when the transformation from the larval to adult form occurs Devonian During this geological time the earth was warm and dry and there was an advantage to be able to move between bodies of water. It's one of the reasons that amphibians appeared Longitudinal Two types of muscles in worms are important in the function of the hydrostatic skeleton, these are oriented in line with the anterior to posterior axis of the worm Shell Insects protect the egg from drying out by covering it with a this Hairs Like feathers, these help insulate mammals and are a diagnostic character of this vertebrate class Soft These corals were probably present prior to Cambrian, but they didn't fossilize well Heterocercal The unique shape of a sharks tail, which has a dorsal lobe that is much larger than the ventral lobe Head The main sensory tagma of an insect Up Ancestrally, the mouth of an echinoderm faced in this direction relative to the substrate to which it was attached
No
Can a flatworm mate with itself
Definition
The base of the feather that emerges from the follicle that forms it To survive, all amphibians have to lay their eggs in this Probable food for the first amphibians on land Echinoderms get their name from these structures found on their surface These glands in an amphibian help to keep its skin moist The transition from a tadpole to an adult frog These filter feeding and the simplest of animals architectures appears prior to the Cambrian period The taxonomic level of the Porifera Although almost all insects have them now for locomotion, ancestrally they didn't Sponges are organized at the cellular grade and don't have cells organized as these The type of symmetry characteristic of cnidarians The sperm duct transports gametes from this organ to the seminal vesicle In annelids, these separate their metameres from each other this is the sessile stage in the cnidarian life cycle this is the sessile stage in the cnidarian life cycle Lampreys are best described as this type of feeder Flying mammals These secretions of the sebaceous gland help maintain the hair of mammals The number of Arthropod phyla that survive the extinction at the end of the Cambrian Small little bones that support the fins of bony fish An immature larval amphibian A male insect's sperm package Bony fish maintain neutral density using this structure We refer to the life cycle of cnidarians as dimorphic because it has this number of distinct body types There are thousands of these on the surface of the radula, and they can scrape, pierce, tear or cut at a mollusc's food Hairs in mammals grows out of this A bryozoan colony grows using this type of reproduction A larval echinoderm has this type of symmetry Cnidarian eliminate undigested food through this opening in their digestive tract This type of reptile skull had two openings in the skull to accommodate the jaw muscles The part of the feather that the barbs are connected to the vane A free living flatworm's mouth is located on the side of the animal If you are looking straight into the mouth of a hydrozoan, this surface is facing you A cnidarian gastrovascular cavity is an incomplete gut because it lacks this This unique mollusc feeding structure first appeared in the Cambrian
Pupa Pelvic Spicules Nostrils Membranes
You won't find this stage in a hemimetabolous insect The posterior set of paired fins are these fins The supporting and defensive structures in sponges An amphibian can breathe through these when its mouth is shut Reptile eggs have these and amphibians eggs don't and the reason that reptiles can survive on land Skin The main respiratory surface in most amphibians Scales A shark teeth are highly modified versions of these surface structures Glands To be able to keep amphibian skin moist you'll find many of these in the skin Calcium The addition of this mineral to the skeleton occurs in all gnathostomes except the sharks and rays (Chondrichthyes) Operculum This moveable flap covering a fish's gills helps to pump water over the gills Hemimetabolous When the adult and juveniles look the same in insects, this is referred to as this type of metamorphosis Intercostal These muscles help to ventilate a reptiles lungs Carnivores Most cnidarians are predators feeding on other small animals that they capture. If they fed on plants they would be called herbivores but they're called this because of what they feed on Three Insects have this many pair of legs Coelomic This fluid provides the hydro in the hydrostatic fluid in worms Mammals The class of vertebrates all have a single opening in the skull to accommodate the jaw muscles Mantle In a mollusc the edge of this tissue secrets the shell and creates the cavity that bears its name Turtles The only living group of vertebrates without an opening in the skull to accommodate the jaw muscles Cnidocyte This unique cell gives the Cnidaria its name Tubefeet The main locomotory structures used by echinoderms Anapsid This type of reptile skull has no openings in the skull to accommodate the jaw muscles Pupal The stage in some insects when the transformation from the larval to adult form occurs Devonian During this geological time the earth was warm and dry and there was an advantage to be able to move between bodies of water. It's one of the reasons that amphibians appeared Longitudinal Two types of muscles in worms are important in the function of the hydrostatic skeleton, these are oriented in line with the anterior to posterior axis of the worm Shell Insects protect the egg from drying out by covering it with a this Hairs Like feathers, these help insulate mammals and are a diagnostic character of this vertebrate class Soft These corals were probably present prior to Cambrian, but they didn't fossilize well Heterocercal The unique shape of a sharks tail, which has a dorsal lobe that is much larger than the ventral lobe Head The main sensory tagma of an insect Up Ancestrally, the mouth of an echinoderm faced in this direction relative to the substrate to which it was attached
No
Can a flatworm mate with itself
