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Biologyick

Yucky Aminals

QuestionAnswer
Do animals make their own food No, they are heterotrophs
What is the thing that all animals start from? blastula
What animal dosen't start form a blastula? L'eponge
what is a blastula? A hollow ball of cells. Then they form into 3 layers, the extoderm, endoderm, and mesoderm
Which organisms develop 2 tissue layers? Cnidaria
what is the process of developing an anterior concentration of sensory structures and nerves? cephalization
what are the 3 internal body plans? ceolom (a fluid filled space between the body wall and digestive tract lined with cells form the mesoder,) Acoelomates (no body cavity) and pewudocoelomates ( body cavity between meso and endo derm)
What is the advantage of coelom It protects the organs when moving.
animals that are attatched to the ocean floor and do not move are said to be sessile
when the blastula begins to collapse inward grastrulation
How do sponges reproduce? Asex by budding or gragmentation OR sexuallly as hermaphrodites
phylum name meaning proe bearer porifera
What kind of symmetry do cnidarians have? radial
what are the specialized digestion sponge cells called? choanocytes
In sponges, what moves neutrients and carries waste from cells? ameobocytes
What is the "spine" o fthe sponge? spicules
which phylum means stinging nettle? cnidaria
cnidarians have a simple nervous system called a nerve net
3 examples of cnidarins jelly, sea anemones and corals
Development of a head region cephalization
mollusk with a shell consisting of two parts is a member of the class bivalvia
A molluk with a univalve shell that is most oftem coiled into a spiral is a member of the class gastropoda
A mollusk with highly developed eyes often has many tentacles and is an active swimmer cephalopoda
the part of the mollusk that produces the shell mantle
the central part of the mollusk that holds its organs visceral mass
The musclular region of a mollusk responsible for locomotion foot
the phylum that means soft bodied molluska
These are classified by the presence and number of bristles on their skin called ________ annelidia setae
the clusters of nerve cells in round worms ganglion
the excretory stuctures of earthworms nephridia
phylum name that means jointed appendages arthropoda
the shedding of the old skeleton is called ________ this appens in _______ moulting, arthropods
the general term for the outer covering of an arthropod exoskeleton
the fused head and thorax region cephalothorax
the cephalothorax is covered by what? A protective shield called a carapace
what is the exoskeleton made out of ? chitin
what do antennae sense? vibrations, food, and pheromones
in spiders, where does the exchange of gases take place? book lungs exchange gases in what animals?
Aquatic arthropods exhange gases through gills are used in what organisms?
Air enter an insects body through __________ then passes through spiracles, trachael tubes
Crabs, lobsters, shrimps, and crayfish are members of the class crustacea incluedes these organisms
What are the basic body segments of an arthropod the head, thorax and abdomen are parts of what?
The phylum that means "spiny skin" echinodemata
Tube feet are part of the echinoderm's water vascular system includes this structure
replace ment of regrowth of missing parts happens in waht organism and is called what regeneration, echinodermata
This struchture is found in )) and is used for scraping food from surfaces gastropods, radula
A starfish can hold tightly to the surface it is touching because of the tube feet allow what?
An animal whose mouth is formed from the blastopore protostone
A skeletal system in which muscles are supported by a water filled cavity hydrostatic skeleton (def)
Type of asex reproduction where a new individual develops from an unfertilized egg parthenogenesis
What are the functions of tube feet? locomotion, exchange of gasses, excretion
Most arthropods have what kind of circulatory system? open
what kind of eyes detect slight momements? compound
A form of asex where small pieces of an organism break off and form a complete new thingy fragmentation (but also budding)
Animals that have a digestive cavity with only one opening called a gastrovascular cavity
complex animals have a digestive cavity called a digestive tract, or gut
coelom a fluid filled spaced fully lined with mesoderm
Name the members and subphyla: prifera sponges
Name the members and subphyla: Chidaria Hydrozoa (include polyp and medusa stage. HYDRA) Scyphozoa (JELLYFISH, medusa, active predators, have a polyp stage) Anthosoa (CORAL, SEA ANENOMIE, only polyp stage)
Name the members and subphyla: Platyhelminthes ____Flatworms___ turbellaria (free living marine, asex or sex) tapeworms (infect vertebrates) Trematoda (FLUKES, parasitic)
Name the members and subphyla: Nematoda Roundworms
Name the members and subphyla:Annelida eathworms (setae No parapoda. Light and touch sensitive organs.) Polychates ( marine, parapodia and setae) Leeches (setate and parapoda. suckers)
Name the members and subphyla:Mollusca gastropods (SNAILS AND SLUGS. marine, single shells. radula. adapted foot) Bivalves (2 shells, hinged. adductor muscles.flap. nerve ganglion, MOLLUSKS no radula) cephalopods (OCTOPUS, SQUIDSmost intelligent, large eyes, closed circulation)
Name the members and subphyla: Arthropoda Arachnids (pincers, MITES, SPIDERS, SCORPION, no antennae) Insects ( jaws, heathoab bodyu, flight, methamorthasis) crustaceans, chelicerata (TICKS AND YUCK.)
Name the members and subphyla:Echinodermata sea starts, brittle star, sea lillies, sea urchin, sand dollar, sea cucumber, sea dasies
chordata, what makes one one? notochord, dorsal nerve chord, gill slits, tail
where is coelom found? between the body wall and the digestive trackt, and is lined with cells fromt he mesoderm
pseudoceolomates have ceoloem located where? between the mesoderm and endoderm
ectoderm outer layer of skin, nervous system, sensory organs
endo derm lining of digestive tract, respiratory system, urinary bladder, digestive organs, many glands, liver
mesoderm most of the skeleton, muscles, circulatoru system, reproductive organs, excretory organs
list eight charcteristics that all animals share heterotrophy mobility multicellularity diplodity sex ,abcence of cell walls, tissues, blastula formation
porifera sex fragmentation, budding
cnidaria tissue layers 2
cnidaria gastric openings 1
platyhelminthes gastric openings 1
cnidaria sex asex (budding) sexual, external fertilization
platyhelminthes sex stretch and split, hermathoradites
what has eyespots? platyhelminthes
nemotoda gastric openings 2
nematoda gas exchange through skin
platyhelminthes brain 2 major nerve cords, runs along bottom of body
How do molluscas respire? aquatic- gills terrestrial- through skin
what ar the funcion of setae? increased traction
List and discuss the essential functions digestion (inside sponges, rest extracellularly) respiration (uptake of oxygen and release of carbon dioxide) Circulation (fluid containing oxygen and neutriendsnerve impulses, support (skeleton) Excretion ( removal of waste) reproduction
Created by: avvajessic
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