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安裝中文字典英文字典辭典工具!
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- Repetition of Clade in a taxonomic tree - Biology Stack Exchange
For taxonomic hierarchy, there’s some sense in which the phylum and the species both have rigorous currency, however the intermediary levels are a kind of construct
- How to get taxonomic specific ids for kingdom, phylum, class, order . . .
How to get taxonomic specific ids for kingdom, phylum, class, order, family, genus and species from taxid? Ask Question Asked 9 years, 7 months ago Modified 9 years, 7 months ago
- is there an easy way to remember taxonomy? [closed]
So I have trouble remembering the order of taxonomy for classification i e domain>kingdom>phylum>class>order>family>genus>species I can never remember it, is there an good mnemonic to remember them?
- Which phylum appeared most recently - Biology Stack Exchange
As far as I know there is no phylum which appeared after the Cambrian Every discussion beyond that is close to speculation, as the divergence estimates of different studies vary significantly
- evolution - What is the difference between these terms: clade . . .
A taxon (Plur taxa) is any (monophyletic or not) group of species For example the group of yellow flowers is a taxon The group of primates is a taxon The taxon of aquatic animals is a taxon A clade is a monophyletic taxon or monophyletic group if you prefer A monophyletic taxon (or a clade) is defined as a taxon that contains only all descendants of a common ancestor and the common
- How can a brainless Cnidarian hunt and defend itself?
Sea anemones are members of the phylum of Cnidaria Distinguishing features of this phylum are radial symmetry and the presence of cnidocytes, or stinging cells (like the ones found in jelly fish) These cells have a mechanical trigger and if activated a subcellular harpoon is fired and paralyzing and painful toxin is injected A cnidocyte diagram is shown below (from Wikipedia): The Cnidarian
- terminology - Difference between Category, Rank and Taxon - Biology . . .
The major taxonomic categories are domain, kingdom, phylum, class, order, family, genus, and species A category can contain one or more taxa Another example, to summarize: Carnivora is a taxon, which contains many species including Vulpes vulpes (red fox) Carnivora is in the category of order
- Number of families in Animal kingdom - Biology Stack Exchange
I found this question about how many taxonomic families there are That made me wonder how many are just in the animal kingdom alone I want to know about families not species Now the linked quest
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