单词 | Predation |
例句 | 1, Goldfish are particularly prone to predation by cats and birds such as herons. 2, Some trait must provide them with immunity from predation. 3, Their colour pattern will then protect them from predation. 4, The effects of this predation could be devastating. 5, Predation concentrated on individual whelks feeding on the open rock surface. 6, But it does endure its share of predation by man. 7, Within one generation, the predation rate drops to the level found in areas where the animals have long co-existed. 8, Furthermore, the importance of predation can be seen as yet another element in the disturbance picture. 9, This is an adaptation to survive predation from the many animals that hunt them - not least man for the cooking pot! 10, Below low water mark, predation by lobsters may be significant. 11, The birds whose selective predation put the finishing touches to their evolution must, at least collectively,(http:///predation.html) have had excellently good vision. 12, In relatively benign environments, predation is the dominant biological interaction that structures communities. 2. 13, Loss of beachfront habitat and predation by domestic cats and introduced red foxes pushed the least tern to the brink of extinction. 14, It is a reflex born of predation by voracious crabs that nip at the tender tubeworm plumes with their claws. 15, The step from predation to this symbiosis is a short one. 16, Some of these isolated populations are subject to predation, others to starvation, flooding, severe winters or summer drought. 17, Even without ageing, organisms are at risk of death and impaired fertility from disease, predation and accidents. 18, In these species mating occurs in early spring and rapid breeding may be an adaptation to avoid predation. 19, Predation One of the major causes of mortality in small mammals is predation. 20, Under natural conditions some bands die out due to severe drought, disease, or increased predation. 21, All these spikes evolved originally as a way of preventing predation by larger fish. 22, Once poison has temporarily reduced rat populations to almost zero, predation by barn owls can slow the recovery. 23, It would therefore appear that the ensuring of successful pollination must override the importance of losses due to seed predation. 24, In contrast to this, extrinsic factors like food supply and predation are held by other workers to control the population cycles. 25, Hamilton gave some entertaining examples of animals attempting to escape predation by clumping. 26, This odd reversal of polygyny has been attributed to a very high rate of ground predation whereby clutches are easily lost. 27, This was treated in general terms in Chapter 1 and with specific regard to predation in Chapter 2. 28, The abandonment of trees makes the species, especially the young, prone to ground predation. 29, Perhaps this synchronous transformation is the means by which the toads limit predation by their own kind. 30, At this stage immediately after metamorphosis, they are vulnerable to another unexpected source of predation. 31, An alternative explanation is defense from predation. 32, In general, those investment diversities are the results of interactions of many biological traits to meet embryo and nestling development under the predation pressure and interspecies competition. 33, Three bio - methods for sludge reduction including aerobic digestion, anaerobic digestion and predation by T. 34, Its disciplines include fisheries biology, fish nurseries and otolith microchemistry, fish predation and ecology, intertidal estuarine and Estuarine habitats and subtidal rocky reefs. 35, Now a new NZ chapter focuses on predation problems of the species introduced to that country. 36, There are as well as density-dependent biological factors such as disease, predation , and intraspecific competition. 37, The key interspecific interactions are competition, predation, parasitism and mutualism, whilst the main intraspecific interactions are competition, cannibalism and altruism. 38, Exactly why these limbless reptiles take to the air in the first place is not known, but their fellow gliders do so to travel more efficiently, pursue prey or evade predation . 39, Using predation of micro- metazoa to reduce excess sludge production in wastewater treatment system is praised an eco-technology of sludge reduction with low-power and no-secondary pollution. 40, The importance of predation as an exploitation strategy may be summarized under four main categories. 41, In the snow goose's winter habitats , the goose faces no significant natural predation. 42, The early singing may also put the males at greater risk of predation. 43, There exist competition,(http:///predation.html) predation mutualism and synergism among acidophilic microorganisms. The study on these interactions is very important to understand bioleaching process. 44, Alkaloids in the skin glands of poison frogs serve as a chemical defense against predation, and they are therefore able to be active alongside potential predators during the day. 45, They seem to be missing the know - how that makes it possible to escape predation. 46, The predation and spatial heterogeneity on Harmonia axyridis adult to Myzus persicae were determined. 47, Seed Dispersal and Seed Predation of Plants Species in the Negev Desert. 48, In long-term predation risk, the basal metabolic rate (BMR) was significantly reduced in the striped field mouse. It maybe related to the decreased activities. 49, Predation is even trickier to uncover when goods are sold together. 50, This is part of a larger Government programme to reduce Cormorant predation on commercial fish in the fishponds around Mai Po and Inner Deep Bay. 51, "I wanted to capture a photo in which you would see a wolf in an act of hunting - or predation - but without blood, " he told BBC News. 52, At Twenty-Nine Palms, Calif., for example, the Marines built a desert tortoise research and rearing center in 2005 to help the soft-shelled babies avoid predation by ravens. 53, There are as well as density - dependent biological factors such as disease, predation, and intraspecific conpetition. 54, The vampire, a mythical monster that feeds on the blood of its victims, has been used as a symbol of sexual predation since it first entered Western literature in the late 18th century. 55, They likewise hypothesized that male chital may be more vulnerable to predation than females because of their spacing behavior in large groups. 56, The main types of the coordination in the family business CAS mainly include the following: Commensalism , Amensalism, Mutualism, Competition, Predation, and Adaptation etc. 57, During the late development of rice, the predation rates of Pirata subpiraticus Boes. et Str. was 21.53% and 43.08%. 58, Dhole predation on these ungulates did not differ from random. |
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