Anyone know references about interruption of copula in anolis lizards by other male or the cases in other species?

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Anyone know references about the use of nanothecnology in taxonomy and systematic or biodiversity?

I will appreciate if any colleague know about paper using any kind of nanotechnology in taxonomy, systematic and biodiversity studies. Anyone have some possible ideas ?

31 December 2016 8,941 0 View

How many species have been extinct without has been described taxonomically?

I would like you share with me well known examples or cases of species that disappear (plants or animals) without the official taxonomic description and without receive a scientific names I am...

07 August 2016 9,357 32 View

Anyone know where I could found the news or records about importation of the rabbit Sylvilagus floridanus in Cuba around 1920-1930?

I am following the track of the introduction of the Rabbit Sylvilagus floridanus in Cuba around 1920-1930 for hunting propose, possibly from USA or perhaps from Mexico. Are there some kind of...

06 July 2016 7,406 3 View

Do you know examples of some benefic service play for invasive species in ecosystems and biodiversity ?

examples: casuarina and black rat service to ecosystem more that the impact

05 June 2016 9,155 20 View

Where I can find the older archeaeological record of Mus musculus in the Caribbean Islands?

Anyone know datation in Cuba or Dominican republic?

05 June 2016 831 4 View

Is this a facetotecta nauplius?

This larva was captured using a plankton net in the Persian Gulf during the summer. I believe it may be a Facetotecta nauplius.

08 August 2024 3,746 4 View

Measuring the Intelligence of a Species?

Larger brains, which typically contain more neurons, store and transfer more information (Tehovnik and Chen 2015), but the precise relationship between number of neurons and information has yet to...

05 August 2024 1,238 2 View

How to isolate lymphocytes from mouse spleen?

I have tried several times to isolate lymphocytes from mouse spleen, but all attempts have been unsuccessful. I tried most available protocols. I used different dissociation media (HBSS with Ca...

04 August 2024 9,913 7 View

Why results of ROS flurescence are negative as there was no bacteria within?

Hello. I am working on ROS production of two systems: system A is cerium oxide and hydrogen peroxide, system B is cerium oxide nanoparticle, hydrogen peroxide and potassium bromide. I did some...

04 August 2024 5,974 3 View

I need to dissolve stigmasterol for an animal experiment, it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent?

Hello everyone, I need to dissolve stigmasterol for an animal experiment, but it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent for stigmasterol?

01 August 2024 7,504 2 View

How to determine tannin content in fodder pellets?

22 July 2024 8,163 3 View

Is it possible to estimate population using animal footprint?

I'm trying to use cassowary footprint to estimate their population since their footprints are distinguishable from other animal on the field. is it really possible to do that? since it's really...

18 July 2024 3,729 7 View

Phengaris rebeli on Picea abies?

Today I took this video in Southern Bavaria, Germany. Video: https://www.youtube.com/watch?v=cCy1eLM6aE0 A female Maculinea rebeli was continuously tapping the leaves of Picea abies with its...

15 July 2024 8,099 4 View

Any suitable Animal models to evaluate Mast cell stabilizers?

I am looking for an in-vivo model to evaluate standardized herbal extract for its potential as a mast cell stabilizer.

14 July 2024 779 0 View

How do I compute SEM for percentages using SPSS?

I'm evaluating the reproductive performance of quails. I have the fertility, and hatchability percentages for six different sire groups and would like to determine the significant difference...

14 July 2024 2,203 5 View