By Tia Ghose Contributions from Elizabeth Peterson last updated August 25, 2023 Animals have sex in all sorts of weird and wonderful ways. Birds have sex via an internal chamber called a cloaca that is present on both male and female animals.When...
After a successful courtship, copulation occurs when the male inserts part of his penis, also known as an aedeagus, into the female's reproductive tract. In many cases, this requires two steps. First, the male extends its penis from his abdomen. Then, he extends his penis further with an...
Characteristic phrases are: render inoperative, militate against, prove unacceptable, make contact with, be subject to, give rise to, give grounds for, have the effect of, play a leading part (role) in, make itself felt, take effect, exhibit a tendency to, serve the purpose of, etc. etc...
And this is why sexually reproducing organisms have evolved a binary gender dynamic many, many times independently. Evolving a male and female sex is one of the best examples ofconvergent evolutionbecause it has happened so many different times. Most people are already familiar withsex determination...
For example, a male will present a female with fruits which are hard to get and the female will let the male have sex with her. The length of the act also seems to depend on the quality of the fruits. In this system, there are also monkey 'pimps' who will intervene if the act...
5. Research Results The calculation results have been obtained for the presented input and output data in the timeframe 2006 to 2015 while applying an output-oriented DEA Malmquist index model with the software BANXIA Frontier Analyst for the analysed European LSP. Due to specific calculation ...