The chart below shows the number of four different species of fish between 1982 and 2007. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words. Task 1 曲线图 - - 范文 答题 People in many countries spend more ...
All over the world,wild places are in trouble. As the humanpopulation has increased, we’ve taken over more and more land for ourhomes, farms, factoriesandroads. In therainforest, around80,000 acres of treesare cut down every day to make way forfarming, or to providewoodfor industry. I...
Older than dinosaurs and trees, sharks have endured a lot throughout their 450 million years on Earth. They’ve even survived five mass extinctions, including the asteroid that wiped out 75% of life on the planet. But many species of these aquatic apex p
Between 150 and 200 species (物种) disappear every day. To make us aware of the serious problem and help save the animals in danger before it’s too late, our English teacher shared two posters with us. We are losing home! Like many other animals, we live in the trees. However, ...
The baptismal action of researchers in selecting a designative name to announce a new discovery of virus species and species variants does not follow the rigorous regulations that standardize all names of taxonomic categories in other biological sciences as well as higher order taxa in virology. It ...
making them the most problematic in horticulture. These whitefly species include thegreenhouse whitefly,banded winged whitefly,giant whitefly,andsilverleaf whitefly, among others. Silverleaf whiteflies, which are slightly smaller and more yellow than other whiteflies, are especially common in the southern...
it also promotes enamel demineralization in vitro and increases the cariogenic potential of enamel in vivo28. Additionally, according to some metagenomic results, the following species are closely associated with dental caries:Streptococcus gordonii,Leptotrichia buccalis,V. parvula,Actinomyces gerencseriae,...
Many families are used to living in shared living spaces. Daily markets, selling meat, including live chickens and ducks, seem to be common. Based on my calculations, the per-capita energy consumption of Southeast Asia is about half that of China and about 21% of the US’s average per-...
Though taxonomists have been cataloguing plants and animals for more than 250 years, they still have no exact answer to the question, “How many species are on Earth?”“It’s a very simple question, but we have no simple answer,” Fisher said. One of the reasons we can’t get an...
This LTER serves as an effective early detection strategy to mitigate the threat posed by alien plants [100] and helps understand how invasive alien plants and other range-expanding species are impacting biodiversity and ecosystem functions along elevation gradients, which, as competitors, are ...