Questions tagged [classification]
Pertaining to the classification of organisms.
81 questions
3
votes
1
answer
74
views
Flower Classification: Hypogynous, Perigynous, and Epigynous
I am struggling to understand the classification of flowers as hypogynous, perigynous, and epigynous.
According to my textbook (Biology NCERT Grade 11), diagram (b) is classified as perigynous. ...
0
votes
0
answers
27
views
Is Protista a kingdom just for unicellular eukaryotes that couldn't be classified under any other kingdom? [duplicate]
Is Kingdom Protista merely a "catch-all" classification for unicellular eukaryotes that do not belong to the kingdoms of Animalia, Plantae, or Fungi? Or does it possess specific criteria ...
1
vote
1
answer
62
views
Why is Archosauria a subclass and not a class?
What is the logic behind Archosauria being a subclass when they have such major differences between Lizards, Snakes, and Turtles. The Amphibians appeared before the Diapsids, which then split into ...
4
votes
1
answer
95
views
Cynobacteria vs. BGA
I am really confused. On google and other places(though very old) it is mentioned that Cynobacteria are the same as BGA(Blue-Green Algae) and are technically bacteria and are places under the kingdom ...
- 43
2
votes
0
answers
25
views
Ecosystem naming discrepancies between LANDFIRE ESP and GAP/LANDFIRE National Terrestrial Ecosystems 2011 Datasets
first post here! I am working on a project using the LANDFIRE ESP (environmental site potential) categories, and saw that on NatureServe Explorer I could find broader classifications for the ...
- 21
0
votes
3
answers
91
views
Is there any objective way to describe ethnicity?
Is there any objective way to describe ethnicity that does not rely on arbitrary sociocultural concepts like referring to racial constructs, modern nations like “Spanish”, or even continents like “...
- 153
-4
votes
1
answer
112
views
Basis of the taxonomic classification of viruses [closed]
The Wikipedia entry on Virus Classification contains the following statement:
“Viruses are classified by phenotypic characteristics, such as
morphology, nucleic acid type, mode of replication, host ...
- 490
0
votes
1
answer
179
views
How are ray finned and lobe finned fish are sister clades?
I think my previous questions may have been misinterpreted (I honestly was too tired to formulate what exactly I was confused about), so I’d like to elaborate on my confusion about the phylogeny of ...
- 119
1
vote
0
answers
40
views
Does the current phylogenetic system classify only Algae as Thallophytes?
I am studying the current system of division of plants.
While studying Thallophytes, I came across some sources which said that Thallophytes consist of Fungi, Algae, and Lichens. Some others (https://...
- 143
-3
votes
3
answers
150
views
What is an apple? [closed]
Reader : please consider that I don't know anything about biology, which is the case by the way.
Context : I am currently preparing a presentation for a research grant application, which I will ...
- 113
0
votes
2
answers
273
views
What is meant by "Common descent"?
"Common descent is a concept in evolutionary biology applicable when one species is the ancestor of two or more species later in time." (Wikipedia)
[Credit:https://bio.libretexts.org/...
- 425
0
votes
1
answer
70
views
Why are additional classification levels necessary?
When I was in school I learned that all organisms can be classified using the seven levels kingdom, phylum, class, order, family, genus, species. In the course of teaching my own children now, and in ...
- 125
7
votes
2
answers
1k
views
How are DNA virus cladograms actually calculated in practice? Is the procedure different for RNA viruses? Are these processes somewhat subjective?
The May 24, 2022 Bloomberg opinion piece Monkeypox Isn’t Looking Like a Covid-Sized Threat; It’s still early, but contact-tracing efforts and analysis of the virus’s genome offer hope that this ...
- 5,570
1
vote
1
answer
68
views
Why are basophils and eosinophils considered granulocytes?
I have read that granulocytes are a type of leukocytes that have granules (hence the name) visible by microscopy. But then there is something called a granulocyte/monocyte progenitor cell, which I ...
- 45
4
votes
1
answer
270
views
How to convert a genus name to a noun or adjective
Consider the crayfish family Cambaridae. As I understand it, this familial name can be turned into an English noun or adjective by changing the first letter to lower case and dropping the "ae.&...
- 61
2
votes
2
answers
139
views
Is amphibians being descended from fish reflected in the animalia taxonomy?
I think it is common knowledge that amphibians are descended from fish. At some point there was a transition from sea to land.
But when I try to confirm this through the Animalia taxonomy, the ...
- 137
0
votes
1
answer
223
views
confusion in types and kingdom system of classification
I am a high school student and I want to ask: is the 'kingdom system' of classification (two-kingdom, three-kingdom etc.) different from artificial or natural classification? I am asking this because ...
- 287
1
vote
1
answer
50
views
Can phylocode classify viruses?
Can phylocode classify viruses? Based on what I found this system began in 2019, so there is not much information about it.
I know that the Linnaean classification system cannot classify viruses, but ...
- 19
3
votes
2
answers
369
views
How is Elysia chlorotica classified as an animal capable of photosynthesis?
Elysia chlorotica is a kind of sea slug. Technically, it's an animal. However, it undergoes a process called kleptoplasty, which is the absorption of chloroplasts from algal prey cells which are then ...
user60581
20
votes
3
answers
5k
views
Can 'human' become a genus due to space colonization?
I have read that during the Second World War, some mosquitoes got trapped in the London underground railway system. The mosquitoes never got out and eventually they became a new species by themselves.
...
- 311
0
votes
0
answers
26
views
Is there any animal database or website that classifies animals as wild / domestic?
Is there any animal database or website that classifies animals wild / domestic?
Or.. the site that I can get the wild / domestic information of animal list...
- 101
1
vote
1
answer
700
views
What’s the Difference Between Grass and Sedge?
What’s the difference between grasses and sedges? in terms of anatomy and classification.
- 33
0
votes
0
answers
30
views
What defines a single organism?
I suppose what prompts me to ask this question is my wondering if it is possible to have a multicellular prokaryotic organism. For instance, can a biofilm be considered a single organism? Why or why ...
2
votes
0
answers
734
views
How many kingdoms are there actually?
I am wanting to learn (memorise) some of the tree of life; the classification of organisms. So I have come across a lot of kingdoms in my research. Basically, I don’t want to waste my time learning ...
- 121
2
votes
1
answer
873
views
Is a lion a bony fish?
If you ask Wikidata "Does the species lion (Q140) have a parent taxon line up to the Osteichthyes (Q27207, bony fishes)?", it answers yes:
...
- 139
6
votes
1
answer
622
views
What does it mean to have square brackets around a genus name?
For example [Eubacterium] rectale
2
votes
1
answer
257
views
What is a false crocodile?
On the wikipedia page about crocodiles crocodiles are called true crocodiles. Does this mean there are (or where) false crocodiles as well?
Crocodiles (subfamily Crocodylinae) or true crocodiles ...
- 319
0
votes
1
answer
591
views
Did Plant Cells Evolve from Animal, Protist, or Fungal Cells?
I know protists and animals preceded plants but I am unaware of when fungi arose in relation to plants. At the moment, I cannot find a resource stating how plants evolved from existing kingdoms, or ...
- 141
2
votes
1
answer
2k
views
Why is xylem a tissue and not an organ?
My textbook "CGP AS-Level Biology Exam Board: Edexcel Complete Revision & Practice" says xylem is a tissue.
Then I read from this website that "[Xylem's] major components include xylem parenchyma,...
- 246
0
votes
0
answers
388
views
Would Ants and Termites be considered r or K strategists?
My initial assumption is that most swarm species would fall under r strategists due to their prodigious number of offspring, but it also occurred to me that since worker types are non-propagating we ...
- 269
1
vote
2
answers
53
views
How specimens are organized in a large biological specimens archive
In a library, (and I'm not totally sure about this, but from experience) books are organized by category/theme into sections, and then they are given a number so that, globally, the numbers are ...
- 759
1
vote
1
answer
104
views
Are All Taxonomic Groups Uniquely Named?
The Linnaean classification system classifies and groups organisms into taxonomic groups: Kingdom, Phylum, Class, etc. Obviously, a clade at any taxonomic level is uniquely determined by its ...
- 165
0
votes
1
answer
50
views
What does "genus VI" mean in mycology?
This Guidebook is called "How to identify mushrooms to genus VI". Some other editions/versions of it say "Genus III" or "Genus I". What does this mean?
- 133
2
votes
2
answers
353
views
Is identifying the genus of a fungus (mushroom specifically) enough?
Does the genus of a mushroom have enough information about it, without the species?
Let's say I wanted to identify a mushroom (when picking) to see if I can safely pick and later eat it. Let's say I ...
- 133
-2
votes
1
answer
182
views
Why is "VOLVOX" not considered to be in PROTOZA?
Volovox is an Algae, but it moves with the help of Flagella. Protozoa has members that move by Flagella. Why is Volovox taxonomically in the Algae instead of Protozoa?
- 101
1
vote
0
answers
45
views
Have traditional categories such as phylum, class, genus, been dispensed with in modern taxonomy?
Looking through the one zoom and EOL projects I see no reference to such categories.
- 11
3
votes
1
answer
111
views
Who are Ursprungliche Eukaryoten?
The school textbook of my daughter (the textbook is written in German) describes the five kingdoms of life: prokaryota, plants, fungi, animals and "Ursprungliche Eukaryoten". These are defined as "...
- 407
1
vote
2
answers
124
views
The parts of the phylogenetic nomenclature that need to be "unique"
I am not quite sure I have sorted through the diversity of approaches to nomenclature, but I had a specific question to help clarify what is going on. Basically I am just wondering what needs to be ...
- 759
0
votes
0
answers
32
views
Any examples of a group of micro-organism that continuously spans two or more species classifications?
Are there any examples of a group of micro-organisms where two different, established species are designated and these two groups meet all aspects of the definition of species (perhaps can not ...
- 5,570
2
votes
0
answers
159
views
Do all Fungi have similar cells?
I know that most fungi are not differentiated into tissues. And tissues are groups of specialised cells aiming to perform a collective function. Does it, then, follow that most fungi do not have ...
- 225
-1
votes
1
answer
11k
views
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? ...
- 51
0
votes
1
answer
88
views
Please help me identify this jelly fish
I've seen these jellyfish in thailand and was wondering what species they were. All I know is that there are lot in the Chonburi area and they sting in not deadly but hurts.
Images for the jellyfish
...
- 3
1
vote
1
answer
339
views
If the human atlanto-axial joint is pivotal only, what accounts for the craniums additional degrees of freedom?
The atlanto-axial joint is supposedly a pivot joint. I assumed it would be considered a ball-and-socket joint, based on a) the physical shape of the dens, and b) the degrees of motion of the cranium ...
- 166
4
votes
2
answers
119
views
How to learn and memorize animals classification to get an intuition about them?
I would like to have a good intuition on how close is what animal to which one and how large each group is by number of species and population. I was wondering if there is a good website with good ...
- 145
1
vote
2
answers
6k
views
How many species can have the same scientific name? [duplicate]
For my science homework, a question came up asking how many species can have the same scientific name. I'm pretty sure that each species has a different scientific name, but just to be sure...
- 11
0
votes
1
answer
471
views
What kind of factors determine how someone looks according to their race or ethnicity?
From what I read, race is considered the biology, the physical traits inherited by ancestry. Ethnicity and nationality have to do with social construct and cultural identity. This is almost the same ...
-1
votes
1
answer
96
views
Is it correct to classify technolgy as a kingdom?
I recently read some article about a possible 7th kingdom of classification . They considered technology as a kingdom and named it Technium. Actually I was not sure whether it could be called a ...
- 183
1
vote
1
answer
522
views
Is ivy (genus Hedera) a shrub or an herb?
It seems like the difference between a bush (shurb) and an herb is that a bush has a woody stem.
What does that make ivy (genus Hedera)? I know that ivy can get a pretty hard stem, does that count as ...
- 138
6
votes
1
answer
202
views
What spider is that in south of Brazil?
I'd like to know if it is possible to identify the spider in the photo below.
In fact, as shown in the next picture, it is very small.
Location: South of Brazil.
- 183
-1
votes
1
answer
127
views
What order is this butterfly?
I found this butterfly in the rocky mountains of colorado. Its obviously a lepidoptera but I'm not sure what family this butterfly could be. I found it perched on a bush and it is around 40ish mm long....
- 3