How Many Bee Species? A Case Study in Determining the Number of Clusters Book Title Data Analysis, Machine Learning and Knowledge Discovery Book Part Part I Pages pp 41-49 Copyright 2014 DOI 10.1007/978-3-319-01595-8_5 Print ISBN 978-3-319-01594-1 Online ISBN 978-3-319-01595-8 Serie...
Read and listen to the text about theanimal world, and find out:a About how many animalf How fast can a beespecies are there in the world?ten millionhummingbird move its wings?b How tall can an adultHow many types of9giraffe grow?kangaroo are there?c How long is the smallest mammal...
Many bee species are adapted to just a few specific plants in order to collect pollen (oligolecty). To reproduce successfully, it is important for oligolec... H Burger,Stefan Dtterl,Christopher M. Hberlein,... - 《Oecologia》 被引量: 47发表: 2012年 Some species of the genera Melanost...
根据第二段Beesdeservesomerespect— theygiveushoney,andtheyplaytheirparteitherinpollinating (给……授粉) themanyvegetablesandfruitsweeatdirectlyorpollinatingthefoodfortheanimalsthatwethenconsume.(蜜蜂应该得到一些尊重——它们给我们蜂蜜,它们要么为我们直接食用的许多蔬菜和水果授粉,要么为我们随后消费的动物的食物...
It’s lovely to think it’s easy for your pets, and livestock, to learn to coexist with your bees. And, it’s true, nature usually has a way of sorting out the impending drama between species. But, the most significant problems arise when pets cannot escape a bee attack. ...
So,beesareworthprotecting,andalthoughasmallnumberofbeespeciesarevitalforcropssuchasoilseedrape,applesandstrawberries,expertssayweshouldbetakingcareofallourbees.Researcherssayconservationeffortsshouldbeaimedatawidenumberofspecies-eventhosethatcurrentlycontributelittletocroppollination-inordertomaintainbiodiversityandensure...
How many eyes does a carpenter bee have? It should be noted, however, that bees are not alone in the insect world for having5 eyes, and specifically for having 3 ocelli on the top of the head: dragonflies, wasps, and grasshoppers also have them, among others. ...
Bee pollinated plants are also notoriously hard to save seed from, since they can cross pollinate with different varieties and cultivars from miles away. It is especially interesting for plants that look totally different but are the same species (like pumpkin and zucchini). A puccini or a zum...
Although a small number of bee species are important for crops such as oil-seed rape, apples and strawberries, experts say we should be taking care of all our bees. Researchers say conservation (保护) efforts should be aimed at a wide number of species—even those that contribute little to...
Many animals must learn to answer them too.In Becoming Wild, Carl Safina reveals that culture, long thought exclusive to humankind, is abundant in the animal kingdom. Sperm whales in the Caribbean communicate through a system of clicks akin to Morse code, announcing which clan they belong to,...