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How do arthropods grow up?
Name the external rigid carapace of arthropods termed? Of which substance it is made up? Which kind of organic molecule is that substance?
Regarding the existence of segmentation (or metameres) in their body to which another already studied the phylum are arthropods proximal?
Regarding germ layers and the existence of coelom how arthropods are characterized? Answer: Arthropods are triploblastic (that is, they have three germ layers) and are coelomate beings.
Give the main morphological features of the arthropods? Answer: Arthropods give three distinguishing features: they are metameric beings (that is, segmented body), they contain an exoskeleton made up
What are the groups into which the phylum Arthropoda is classified? Name the three main ones and a few of their representative species?
Give some illustrations of arthropods? Answer: Ants, cockroaches, flies, shrimps, spiders, crabs, and scorpions are some illustrations of arthropods.
How are Annelid characterized according to illustrations of representing beings, fundamental morphology, kind of symmetry, germ layers and coelom, excretory system, respiratory system, digestive syste
Into which group is the phylum Annelida classified?
Explain the ecological role of earthworms?
Give the name of the larval phase of polychaetes? Answer: Among annelid groups only polychaetes present a larval phase. Their larva is termed as trocophore.
Is embryonic development in earthworms indirect or direct? Answer: In earthworms there is no larval phase; therefore the embryonic development is direct.
Regarding the occurrence of separated sexes how is the beings of the phylum Annelida categorized?
Explain the term clitellum of earthworms and where it is situated?
How is nervous system characterized in beings of phylum Annelida? How can one compare cephalization in the annelids to cephalization in platyhelminthes and nematodes?
How the excretory system of annelids is be explained?
How can the presence, function and localization of muscular tissue in beings of phylum Annelida be elucidated?
Is there any respiratory pigment in annelid blood?
Explain trading of call options.
Explain Black–Scholes model.
Who won the Nobel Prize for Economics in 1997?
Who derived the Black–Scholes Equation?
Name the kind of circulatory system existed in annelids?
How are the circulatory systems of the animals categorized?
Illustrate the meaning when it is stated that beings of the phylum Annelida are vascular beings? From which phyla of the animal kingdom does this feature distinguish them?