What is the phylum, dichotomous key and classification for a earth worm, parrot,
ID: 11605 • Letter: W
Question
What is the phylum, dichotomous key and classification for a earth worm, parrot, centipede and heart worms.I also need these questions answered:
which phyla lack organs? what type of symmetry do they have?'
list all of the phyla that show cephalization.
do all organisms on the table have 3 germ layers. if not which phyla have fewer than three germ layers.
one phlym on the table has more species than all the others. state the name of this phylum, and provide several different examples of species found in this phylym.
fish do not all have the same skeletal structure. describe the differences among fish from the most primitive to more advanced types of fish.
describe the three types of mammals based on how their young develop.
The animals on the table are: jellyfish, snail, earth worm, butterfly, sponge, starfish, parrot, centipede and heart worms.
Explanation / Answer
which phyla lack organs? poriferans
what type of symmetry do they have?' asymmetry
list all of the phyla that show cephalization.
chordata ,athropoda, mollusca, annelida,platyhelminthes shows cephalization.
do all organisms on the table have 3 germ layers. if not which phyla have fewer than three germ layers.
priferans, and coelenterates
fish do not all have the same skeletal structure. describe the differences among fish from the most primitive to more advanced types of fish.
1.bony fishes, 2. cartilaginous fishes 3. jawless bony fishes
describe the three types of mammals based on how their young develop.
1.monotremates
2.marsupials
3. placental
The animals on the table are: jellyfish, snail, earth worm, butterfly, sponge, starfish, parrot, centipede and heart worms.
jellyfish,
phylum ; cnidaria
key:1a,1b,2a,2b,3a,3b,4a,4b,5a,5b
class : scyphozoa
order : semastomae or stauromedusae
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worm,
phylum ;platyheliminthes
key ; 1a,1b,2a
class : turbellaria
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sponge
phylum ; porifera
class:calcarea
key :1a,1b,2a,2b
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