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Questions tagged [species]

The basic unit of taxonomic classification.

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Is it possible to make an estimate of how many species extincted before humans?

This article Species Extinction Happening 1,000 Times Faster Because of Humans? makes an estimate of the rate of extinction now and 200,000 years ago. I know it's difficult but since there are ...
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Why are mules/donkeys aggressive when faced with predators but horses are not?

I came upon an interesting quote after going down the rabbit hole on a variety of subjects. While deep in the data, I came upon this quote oat and farm animal owners likes to have mules with their ...
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Tiny bug in Amman-Jordan

I saw this bug many times in my room this spring. Can any one help identifying it?!
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what is the name of this fish?

]2 fishes are of length 2 to 3 inches.
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What makes an E.coli an E.coli, genotype or phenotype?

According to this paper, among 61 strains of E. coli they studied only 6% of the genes are common in all. Which means that the overwhelming majority of the genes are not shared. And wikipedia ...
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Mild introduction to selective advantage of intelligence/nervous systems in animals?

I have a general understanding of why intelligence, i.e. nervous systems in animals, is advantageous: processing information allows an animal to adapt to its environment dynamically and perform ...
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Can two different species in the same genus generally succeed in the same habitat?

This plant-care website writes In the context of plant care, usually most plants within the same genus need the same environmental conditions suitable for plant growth. If the genus of a plant is ...
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What is this insect

This was found in my house in florida
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What kind of fish is on the picture?

I saw these fish in a video at an art exhibition, I'd like to find out what kind they are.
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What fraction of species representatives is needed to say they have dispersed mating model?

Many biologists adopt the following division of mating systems: monogamous (and sometimes serial monogamous); polygynous; polyandrous; promiscuous/polygynadrous (sometimes distinguished as separate); ...
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Do ring species exist?

In trying to understand evolution better, I have been looking at examples of speciation, and have thus come across the topic of ring species. I have tried to find concrete examples of how these work, ...
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Anyone know what emerged from these cocoons?

Found a little universe in the back of a ceramic decoration I put up outside in summer...the concave back was full of grainy soil and several exited cucoons...anyone know what critter this is/was?!
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I'm trying to identify this salamander-looking creature I found in my house today in Coos Bay, Oregon. It is about 2" long. What is it?

This is about 2" long. It is white on its underside and looks like a small salamander, except for it being white underneath. It is about 1/8th inch wide.
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What is my pet tortoise' species?

I got this tortoise from my uncle. He said that it wandered into his yard. Found in Khon Kaen, Thailand during the summer.
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What is the name of the bug that emerging from a wood chip like cocoon?

We found it on the wall of a home at West Palm Beach Florida. Is this a kind of infestation or a sick tree near the house fall on the wall?
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What is the name of this spider and is it poisonous?

We found it between Palm trees in the backyard of a home in West Palm Beach Florida.
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What kind of snake is this

Found this outside on patio in northern Virginia, Ashburn area, September 2018. It's about 12 inches. Is it a water snake or rattlesnake?
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What is this? Found crawling across ground under oak tree. Six arms waving, I broke off 1 trying to pick it up. Less than 1 inch long

Crawled like snail. No slime trail. Less than one inch. Six arms, I broke one off.
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What species of butterfly is this? Picture taken on 9-18-2018, near Helena, Mt

Butterfly picture taken on the 18th of September 2018 at an elevation of 1800 meters (6,000 feet) near Mount Helena in Montana, USA.
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The meaning of and standards for “specimen numbers”

I just read here: For example, in the research collection of the Natural History Museum in London, there is a bird specimen numbered 1886.6.24.20. This is a specimen of a kind of bird commonly ...
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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 ...
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136 views

Is Human a race? [closed]

Is it correct to say that 'humans' are a race? Will it also include apes and chimpanzees? Can I use the terms 'species' and 'race' interchangeably?
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Question about the quantity of orchid species and genera

One flower which I am reminded of is the orchid and conjointly, the Orchidaceae family. I am surprised when discovering there is an abundance of species and genera, hence I would like to know the ...
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Can Anyone Tell Me , Which Insect or I think Moth Is This

Region : Asia ( India ) , Size is about : 4 cm . Since yesterday this Insect is in the same place . I don't know any other info , I was just curious to know about this Insect.
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Can anyone identify this bird - small flock in ireland?

I saw small birds in a flock of about 6 or 8. Here are details that can be seen on my best photo - The beak looks pointed and also the legs are quite long and the eye has a bar across it. I have a ...
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Time taken for species to become endemic [closed]

Is it known how long species take to become endemic? I know from examples such as Canada which have no endemics following the end of glaciation that the process must take at least 10 thousand years, ...
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Black oyster of sweet water

I have seen recently a documentary starting with introducing of the spectacular black oyster of sweet waters which imitate exactly like a prey fish in order to convey its eggs to predator fish's gills,...
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1answer
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Is this a Tsetse fly?

I found this on my back while looking in the mirror.It took me 10 minutes to kill it.I hit it well at least 5 times before it died.It kept flying to me every time i tried to hit it,trying to go under ...
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3cm Worm Found in a Glass of Tap Water - please help identify

3cm Stripy Worm Found in a Glass of Tap Water - please help identify. The worm was found in the beginning of July in a glass of tap water, in Ireland. It was about 3cm long, had a round shape and was ...
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What is this tiny translucent worm I found on my desk?

I found this tiny critter crawling vertically up my speakers. It seems to crawl like a caterpillar, but strangely, every now and then, it stops, rears-up and look/ feel around. It looks sort of grey/...
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Is this an Eastern Banjo Frog?

[ I found this little guy in my orchid on the upstairs balcony. I live at Sanctuary Point which is on the south coast NSW
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Can anyone tell me what this is? [closed]

On my one plants, this green worm is all over it, with white and yellow cocoons on the Leaves.
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37 views

What type of spider is this?

What kind of spjder is this? It was found in nova Scotia
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What bird is this seen trekking in Nepal during descent on Manaslu circuit?

What bird is this seen trekking in Nepal during descent on Manaslu circuit?
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Most well studied termite species or a species that I could use to compare termite genes for functional annotation

I am working with termites and I have a set of genes that I would like to compare with a species similar to termites so that I could elucidate its function. I am looking for a species that is similar ...
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What is the animal in this video?

I made some research however there seems to be a conflict with this animal's translation to my language and the original. So I couldn't find it. Do you mind helping me out ? https://static.59saniye....
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Usage of “lineage” over “species”

Remi.b has suggested here: The concept of species is poorly defined and is often misleading. The concept of lineage is much more helpful. IMO, the only usefulness of this poorly defined concept ...
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How likely is it that we will discover a new species of big cat? [closed]

So, I've been reading some articles about these "scandals" where everybody thought that there was a new species of feline discovered, from some weird skull or carcass or whatever. And always, by the ...
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Is there any non-pathogenic gram negative bacteria?

In the category of Gram-negative bacteria, is there any non-pathogenic species? Is such a list of non-pathogenic gram-negative bacteria's available? Can you give maximum 5 examples of such bacteria ...
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How is it possible for a new species to evolve? [closed]

Suppose a new species is created from a random mutation that happened during an instance of reproduction in an existing species. How can that new species survive and flourish if there only exists one ...
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My daughter taken a photo of a species [closed]

My daughter is studying in 4 the std. She is interested in species related study. Pls guide her.
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What species is most prolific?

What species represents the largest biomass on earth, ie, how much does the entire population weigh? Also, what species has the most members?
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How can paleontologists identify morphologically different fossils as members of the same species?

I recently saw a documentary about Tyrannosaurus rex, which detailed the growth stages of the dinosaur. Apparently, it underwent a huge growth spurt at around 14 years of age, growing into the massive ...
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Practical Question about Evolution, Population Genetics and Speciation

North American cicada male of the genus Magicicada sing depending on the species at different times of the day and attract the females of the corresponding species. The species are very similar, but ...
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How many generations does it take for one species to become a new one?

First lets consider that a species is a group of individuals that can reproduce by breeding fertile offsprings. It's usually said that evolution takes a very long time. Lets say that 1000 generations ...
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Is it possible to artificially select for flight in pigs?

After reading this rant by Fodor, as a layperson, I was idly wondering whether it would be possible to artifically select for flight in pigs. Of course by that time the porcine lineage will probably ...
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91 views

Limit on the Number of Facial Phenotype [closed]

Individuals of each species all have unique facial structure variations (shape of nose, position of chin etc) from humans to birds and fish etc. We humans don't seem to be reaching mathematical limit ...
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Can any one identify this insect from Lokhandwala, Mumbai India?

I found this insect on my bed. I have never seen such creature before. Can any one identify this?
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Interbreedability between current humans and his ancestors

I want to know the first point of time in the past when genomes have diverged so far from modern human genomes so that they both (human and ancestors) are not interbreeadable anymore and can be seen ...