past 250 years. One reason why the total is higher than that of the well-studied animals is that there are simply more species of plants. Looking at percentages, the situation is worse for mammals and birds. An estimated 5% of those species have gone extinct, compared with 0.2% of plants...
November 6, 2023Animals, Nature Iran’s morality police kill teen for not wearing hijab The despotic enforcers of the "hijab law" have claimed another victim. In a mysterious incident reported a few weeks ago in international…October 29, 2023Act, Lifestyle, Religion Revolutionizing agriculture: ...
Some of the fossil forms are of course represented by casts only; but a number of important extinct species, notably among the Dinornithid忙, are well represented by the actual remains, in many instances the types of the species in question. We may point out to the charitably disposed that...
图书Catalogue of the Specimens Illustrating the Osteology and Dentition of Vertebrated Animals, Recent and Extinct, Contained in the Museum of the Royal C 介绍、书评、论坛及推荐
individuals from six localities (three running and three standing waters). The analysis indicated the presence of the pathogen in animals from five out of six investigated Orconectes populations. One of them is present in the stream where two European Astacus species had gone extinct in 1998-9....
which was first described for terrestrial animals21, but has also been reported in the marine realm22. Similar patterns of size shift over time have been reported in other marine protist groups, including diatoms23, dinoflagellates24and planktic foraminifera25. The pattern is particularly well-marked...
December 3, 2023. Choice, the prestigious review publication for academic and institutional libraries, named Zach Fitzner’s Tears for Crocodilia: Evolution, Ecology, and the Disappearance of One of the World’s Most Ancient Animals as an “Outstanding Academic Title” for 2023. The award is ...
IELTS Topics 2023 November Some people believe that the purpose of education is to make individuals useful to society, while others think that education should help people pursue personal ambitions. Discuss both views and give your own opinion. ...
9. A) To teach kids about animal protection. C) To see some rare animals in cages.B) To learn how popular zoos could be. D) To give her little nephew a treat.10. A) He enjoys excellent health. C) He coaches tennis players every week.B) He is keen on extreme sports. D)...
Yet not all animals with commercial value face this threat. The cow, for example, is a valuable source of food, but no one worries that the cow will soon be extinct. Why does the commercial value of ivory threaten the elephant, while...