Animalia Tailan
Transcript of Animalia Tailan
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Kingdom Animalia
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~ Characteristics ~
Multicellular
Eukaryotic with no cell walls
Heterotrophs (consumers)
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~ Characteristics ~
Have a nervous system to respond to their
environment
Locomotion relates to ability to obtain food
Most animals develop from a zygotebecoming a
A single layer of cells surrounding a fluid-filled space forming a hollow ball of cellscalled a gastrula.
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~ Developmental Characteristics ~
The gastrula ismade up of three parts:
Ectoderm, a layer of cells on the outer surfaceof the gastrula,grows and divides developinginto skin and nervous tissue.
Endoderm, a layer of cells lining the innersurface of the gastrula,develops into thelining of the animals digestive tract.
Mesoderm, made up of two layers of cellslying between the ectodermand endoderm,forms muscles, reproductive organs and
circulatory vessels.
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~ Developmental Characteristics ~
Animals that develop a mouth from theindented space in the gastrula areprotostomes.
Animals that develop an anus from theopening in the gastrula aredeuterostomes.
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~Body Plans ~
Animals that areirregularin shape areasymmetrical.
Animals that areregularin shape aresymmetrical.
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~ Body Plans ~
An animal has radial symmetryif itcan be divided along any plane,through a central axis, into equal
halves.
An animal has bilateral symmetryif
it can be divided down its lengthinto similar right and left halvesforming mirror images of each other.
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Which figure has bilateral symmetry?
Which has radial s mmetr ?
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~ Body Plans ~
Acoelomatesanimals have three celllayers with a digestive tract but no bodycavities.
Pseudocoelomatesanimals with a fluid-filled body cavity partly lined with
mesoderm.
Coelomatesanimals with a body cavitycompletely surrounded by mesoderm.
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http://images.google.com/imgres?imgurl=users.tamuk.edu/kfjab02/Biology/Introzoology/Images/bodycavities.gif&imgrefurl=http://users.tamuk.edu/kfjab02/Biology/Introzoology/b1313_ch16.htm&h=613&w=1084&prev=/images%3Fq%3Dectoderm,%2Bendoderm,%2Bmesoderm%26svnum%3D10%26hl%3Den%26lr%3D%26ie%3DUTF-8%26oe%3DUTF-8%26newwindow%3D1%26safe%3Doff%26sa%3DG -
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~ Protection and Support ~ Though not all animals have a skeleton,
those that do can be divided into twogroups:
Those with an exoskeletona hard,waxy coating on the outside of the body
that protects internal organs, provides aframework for support, and a place formuscle attachment.
Those with an endoskeletonsupportframework within the body that protectssome organs and a brace for muscles to
pull against.
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~Invertebrates~
8 main phyla
No backbones
95% of all animals are in this group
I b
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~InvertebratePhylum Porifera~
Sponges
simplest form of animal life
live in water
Do not move around
no symmetry
Pores (holes) all over body
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~InvertebratePhylum Porifera~
Filter Feeders: a sponge filters particles offood from water using collar cells and thenpumps the water out the osculum.
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~InvertebratePhylum Porifera~
Examples: TubeSponge, GlassSponge, Sea Sponge
http://images.google.com/imgres?imgurl=www.divebluereef.com/New%2520Photos/3%2520Tube%2520Sponge.jpg&imgrefurl=http://www.divebluereef.com/More%2520Photos.htm&h=617&w=800&prev=/images%3Fq%3Dtube%2Bsponge%26svnum%3D10%26hl%3Den%26lr%3D%26ie%3DUTF-8%26oe%3DUTF-8%26newwindow%3D1%26safe%3Doff%26sa%3DG -
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~InvertebratePhylum Cnidaria~
Live in water
Most have tentacles
catch food with stinging cells
gut for digesting
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~InvertebratePhylum Cnidaria~
2 differentshapes
Medusa - like ajellyfish
Polyp - like ahydra
http://images.google.com/imgres?imgurl=nasw.org/users/ASkolnick/hydra.jpg&imgrefurl=http://nasw.org/users/ASkolnick/&h=300&w=210&prev=/images%3Fq%3Dhydra%26svnum%3D10%26hl%3Den%26lr%3D%26ie%3DUTF-8%26oe%3DUTF-8%26newwindow%3D1%26safe%3Doff%26sa%3DNhttp://images.google.com/imgres?imgurl=www.aquariums.state.nc.us/ata/ataimg/jelly.jpg&imgrefurl=http://www.aquariums.state.nc.us/ata/jelly.htm&h=453&w=290&prev=/images%3Fq%3Dmoon%2Bjellyfish%26start%3D20%26svnum%3D10%26hl%3Den%26lr%3D%26ie%3DUTF-8%26oe%3DUTF-8%26newwindow%3D1%26safe%3Doff%26sa%3DN -
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~InvertebratePhylum Cnidaria~
Examples -Jellyfish, Hydra,sea anemones, and
corals
In e teb ate
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~InvertebratePhylum Platyhelminthes ~
Flatworms
Flat, ribbon-like body
Live in water or are parasites
bilateral symmetry
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~InvertebratePhylum Platyhelminthes ~
Examples: Planaria
eyespots detect light
food and waste goin and out the sameopening
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~InvertebratePhylum Platyhelminthes ~
Examples:Tapeworm
Parasite thatlives in intestinesof host
absorbing food
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~InvertebratePhylum Nematoda ~
Examples:
Hookworm
Trichinella
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~InvertebratePhylum Mollusca ~
Soft bodies
Hard Shells
Live on land or in water
have a circulatory system and a complexnervous system.
Important food source for humans
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~InvertebratePhylum Mollusca ~
Class Gastropoda
snails and slugs
may have 1 shell
stomach-footed -move on stomach
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~InvertebratePhylum Mollusca ~
Class Bivalves
2 shells hingedtogether
clams, oysters,
scallops andmussels
http://images.google.com/imgres?imgurl=www.manandmollusc.net/beginners_intro/bivalve_live.jpg&imgrefurl=http://www.manandmollusc.net/beginners_intro/pelecypoda.html&h=382&w=667&prev=/images%3Fq%3Dclass%2Bbivalves%2B%26svnum%3D10%26hl%3Den%26lr%3D%26ie%3DUTF-8%26oe%3DUTF-8%26newwindow%3D1%26safe%3Doff%26sa%3DG -
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~InvertebratePhylum Mollusca ~
Class Cephalopods
squids and octopuses
internal mantel
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~InvertebratePhylum Annelida ~
Segemented worms
Body divided into
segments(sections)
Live in water or
underground
have a nervous and circulatory system
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~InvertebratePhylum Annelida ~
Class Earthworms
eat soil andbreakdownorganic matter,wastes provide
nutrients to soil
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~InvertebratePhylum Annelida ~
Class bristleworms
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~InvertebratePhylum Annelida ~
Class leeches
parasites that feed on blood of other animals
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~InvertebratePhylum Echinodermata ~
Hard, spiny skin
Live in salt water
Radial symmetry
name means spiney skinned
endoskeleton
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~InvertebratePhylum Echinodermata ~
Examples: seastar, sea urchin, sand dollarand sea cucumber
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~InvertebratePhylum Arthropoda ~
Body divided into sections/segments
Exoskeleton
Jointed legs
well developed nervous system
largest group of organisms on earth
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~Invertebrate
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Subphylum Chiliceratais divided into 3 classes
Arachnidaspiders, scorpions, ticks, mites
Merostomatahorseshoe crabs
Pycnogonidasea spiders
~InvertebratePhylum Arthropoda ~
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~Invertebrate PhylumArthropoda ~ Subphylum Chilicerata
ClassArachnida
no antennae
4 pairs of legs
2 body regions - cephalothorax & abdomen
spiders, scorpions, mites & ticks
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http://images.google.com/imgres?imgurl=www.geocities.com/RainForest/4076/index50s/tick.jpg&imgrefurl=http://www.geocities.com/RainForest/4076/index51.html&h=327&w=300&prev=/images%3Fq%3Dtick%26start%3D20%26svnum%3D10%26hl%3Den%26lr%3D%26ie%3DUTF-8%26oe%3DUTF-8%26newwindow%3D1%26safe%3Doff%26sa%3DN -
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~Invertebrate Phylum
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~Invertebrate PhylumArthropoda ~ Subphylum Chilicerata
Class PycnogonidaSea spider
~Invertebrate Phylum
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~Invertebrate PhylumArthropoda ~ Subphylum - Crustacea
5 ClassesAquatic ones have gills
2 antennae
2 body regions or segmented
Shrimp, lobsters, crabs, barnacles, isopods
Many species taste delicious in butter
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Subphylum Uniramia: 3 classes
Class Insecta (insects)
Class Chilopoda(Centipedes)
Class Diplopoda(Millipedes)
~Invertebrate Phylum
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Invertebrate PhylumArthropoda ~ Subphylum Uniramia
Class Insecta
no antennae
3 pairs of legs
2 body regions - head, thorax & abdomen
grasshoppers, ants, butterflies, bees
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~Invertebrate
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InvertebratePhylum Arthropoda ~ Subphylum Uniramia
Class Diplopoda
Millipedes
segmented animals
Have 2 pairs of legs per segment
Primarily herbivores & decomposers
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~Invertebrate Phylum
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Invertebrate PhylumArthropoda ~ Subphylum Uniramia
Class Chiopoda
Centipedes Usually terrestrial carnivores
Have 1 pair of antennae
Are often poisonous, using modified frontclaws to immobilize prey
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~ Phylum Chordata ~ subphylum Vertebrata
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~ Phylum Chordata ~ subphylumVertebrata
5 classes
Fish
Mammals
Reptiles
Amphibians
Birds