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porifera Phylum for pore-bearers like sponges cnidaria Phylum for stinging cells organisms like jellyfish and corals platyhelmenthes Phylum for flat worms like planarians and tapeworms nematoda Phylum for round worms like pin, heart, and flaria annelida Phylum for segmented worms like leeches and earthworms mollusca Phylum for soft bodied organisms like scallops, oysters, clams, octopus, squid and snails. arthropoda Phylum of organisms with exoskeleton made of chitin and jointed appendages like spiders, centipedes and insects echinodermata Phylum of spiny skin organisms like sea stars, sea urchins and sand dollars agnatha Class name for jawless fish like hagfish and lampreys chondricthyes Class name for fish with cartilage skeleton like sharks, skates and rays osteichthes Class name for bony fish like trout, bass, blue gill, baracuda and tuna amphibia Class name for toads, newts and salamanders reptilia Class name for crocs, turtles, tortoises, snakes and alligators aves Class name for birds mammalia Class name for organisms with hair and mammary glands like cats, monkeys, elephants and kangaroos page 395 of yellow worksheets Label the diagram of a chordate multicellular, heterotrophic, eukaryotic no cell walls List four characteristics all animals have in common. pseudocoelomate An animal with a body cavity partially lined with mesoderm is termed a _____. homeostasis In order for salt water organisms to maintain ___________ they must get rid of excess salt ammonia Animals get rid of ___________ by the excretory system. nervous system Gathering information is the job of what system? shorter Muscles exert force by getting _________. skeleton The support structure for animals is called the _____. homeostasis Maintaining a stable internal environment is called _____________. asexual Budding is a type of ___________ reproduction. blastula During embryonic development, the hollow ball of cells of an embryo is called a ________________. nervous, epithelial, muscle, connective What are the four types of animal tissue? mesoderm What germ layer in an animal embryo gives rise to muscles, circulatory, reproductive and excretory systems? thin, moist, selectively permeable membrane Gases diffuse best through a ________. book lungs Terrestrial invertebrates use mantle cavities, tracheal tubes and ________ as respiratory structures flatworms Name an example of an invertebrate the has a body covering that allows for gas exchange? flat animals that eat grass would best grind their food with _______ teeth such as molars carnivores A type of animal that has teeth which slices its prey extracellular digestion Animals with digestive tracts which break down food do so by __________________ radial Jellyfish have what type of symmetry? filter feeders Animals which strain plants and animals from the water are called ______________. parasite A type of symbiont that causes harm to another organism is a _______________. mutualistic Type of symbiontic relationship when both organisms benefit is called _______. decaying plant and animal remains Detritis feeders like mollusks feed on ______. circulatory The endocrine system relies on the _______ system to communicate with other body systems. less Ectotherms need ________ energy to maintain homeostasis. closed A ___________ circulatory system means the blood travels through vessels bird ____________ is a type of animal that has very efficient gas exchange. high Humans have lungs with alveoli which implies we have a _____________ metabolic rate. 3 Amphibians have a ____ chambered heart 2 Fish have a ______ chambered heart 4 Mammals have a ______ chambered heart malphighian tubules Many insects like butterflies convert ammonia to uric acid in their _____________. flame cells Fresh water flat worms like planarians use __________ to remove excess water from body fluids. uric acid The white paste that birds excrete is ______. interneurons The more complex an animal's response is to stimuli, the more ___________ it has. conserve Rats and other mammals __________ water by excreting highly concentrated urine and very dry feces. stimulus Information in the environment that causes an animal to react is termed _____________ sensory cell, sensory neuron, interneuron, motor neuron, muscle Write the order of the neural circuit involved in responding to a stimulus. tendon What connective tissue connects bone to muscle? molt Arthropods grow by was of _______________. compound eyes Insects have ______________ eyes which detect colors and images. cephalization a collection of sensory and interneurons that are concentrated together is called nerve net What is the simplest form of nervous system? cerebrum What part of the brain helps you respond to questions? Fish and snakes _________ and __________ move by contracting muscles in waves down the body which bends the body to each side. internal Mammals have only ___________ fertilization meiosis Gametes are formed by what process? hermaphrodite Having both sex organs at the same time means the organism is a sponges _____________ undergo internal fertilization when sperm is taken into the body from the surrounding water. water Chordates who have external fertilization must to so in ________________. asexual Organisms with __________reproduction must have a stable environmental conditions incomplete metamorphosis Egg, nymph (small adult-like), adult is an example of __________________. ovoviviparous Embryos that can hatch inside the mothers' body is called _________________ marsupials Mammals with offspring similar to embryos are called ____________. Example is kangaroo larva The worm-like stage in complete metamorphosis is called _____________. length of maternal care What determines how many offspring a group of organisms have? waterproof All shells of amniotic eggs are ___________ endotherm An ______________ can regulate its body temp. partly by generating its own heat. circulatory Which system transports waste, nutrients, oxygen and carbon dioxide? monotremes _____________ are mammals that secrete milk from pores of the surface of the mother's abdomen endocrine glands __________________ regulate body activities invertebrate chordates Sea quirts and lancelets are in the group called notochord One common characteristic of chordates is a _______. water vascular Echinoderms, like sea stars move and respirate by a suctioning system called a ___________________ system. Echinoderms Sea stars, sea cucumbers, sand dollars and sea urchins are classified as pill bug The only land crustacean is the Uniramia The major group of centipeded, millipedes, and insects is called Chilicerata The major group of horseshoe crabs, arachnids like spiders, ticks and mites is called Crustacea The major group which includes crabs, lobsters, crayfish, pill bugs, water flease and barnacles insects These arthropods have 3 body sections, 3 pair of legs and tracheal tubes for breathing head, thorax and abdomen The three main parts of an insect are centipedes These arthropods have 1 pair of legs per segment, are carnivorous and poisonous milipedes These arthropods have 2 pair of legs per segment, feed on decaying plant material and are nonpoisonous spiders These arthropods have 2 body sections, 4 pair of legs and bood lungs for breathing. ticks These arthropods have 1 body section, 4 pair of legs, are parasitic and spread disease such as lyme. complete Egg, pupa, larva, adult are the stages of ___________ metamorphosis incomplete Egg, nymph, adult are the stages of ____________ metamorphosis jointed appendages What makes the arthropod group so successful on earth? molt Arthropods have the ability to shed their exoskeleton