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Phanerozoic-Crosswords.pdf

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Department
Biology
Course
BIO1130
Professor
Jon Houseman
Semester
Fall

Description
Definition Phanerozoic- Animal Crossword Quil The base of the feather that emerges from the follicle that forms it Water To survive, all amphibians have to lay their eggs in this Insects Probable food for the first amphibians on land Spines Echinoderms get their name from these structures found on their surface Mucous These glands in an amphibian help to keep its skin moist Metamorphosis The transition from a tadpole to an adult frog Sponges These filter feeding and the simplest of animals architectures appears prior to the Cambrian period Phylum The taxonomic level of the Porifera Wings Although almost all insects have them now for locomotion, ancestrally they didn't Tissues Sponges are organized at the cellular grade and don't have cells organized as these Radial The type of symmetry characteristic of cnidarians Testes The sperm duct transports gametes from this organ to the seminal vesicle Septa In annelids, these separate their metameres from each other Polyp this is the sessile stage in the cnidarian life cycle File this is the sessile stage in the cnidarian life cycle Fluid Lampreys are best described as this type of feeder Bats Flying mammals Fats These secretions of the sebaceous gland help maintain the hair of mammals Four The number of Arthropod phyla that survive the extinction at the end of the Cambrian Rays Small little bones that support the fins of bony fish Tadpole An immature larval amphibian Spermatophore A male insect's sperm package Swim bladder Bony fish maintain neutral density using this structure Two We refer to the life cycle of cnidarians as dimorphic because it has this number of distinct body types Teeth There are thousands of these on the surface of the radula, and they can scrape, pierce, tear or cut at a mollusc's food Follicle Hairs in mammals grows out of this Asexual A bryozoan colony grows using this type of reproduction Bilateral A larval echinoderm has this type of symmetry Mouth Cnidarian eliminate undigested food through this opening in their digestive tract Diapsid This type of reptile skull had two openings in the skull to accommodate the jaw muscles Vane The part of the feather that the barbs are connected to the vane Ventral A free living flatworm's mouth is located on the side of the animal Oral If you are looking straight into the mouth of a hydrozoan, this surface is facing you Anus A cnidarian gastrovascular cavity is an incomplete gut because it lacks this Radula This unique mollusc feeding structure first appeared in the Cambrian Pupa You won't find this stage in a hemimetabolous insect Pelvic The posterior set of paired fins are these fins Spicules The supporting and defensive structures in sponges Nostrils
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