| 单词 | egg laying |
| 例句 | Since 1947, although the adults have occupied the nest and there is evidence of egg laying, no young eagles have been produced. Silent Spring 1962-09-27T00:00:00Z Even Danovich admits that early on in her planning, she doubted that she would keep her hens once their egg laying decreased. “Under the Henfluence” urges us to see hens as complex beings 2023-05-10T04:00:00Z In mammals, egg laying is limited to echidnas, sometimes known as spiny anteaters, and the platypus. What do new moms and roaches have in common? 2023-10-20T04:00:00Z Tree nets are particularly well established in French and Italian apple orchards, where nets draped over rows of apple trees limit the movements and egg laying of codling moths. Fruit producers turn to nets for better crops 2023-04-24T04:00:00Z Observe and compare the egg laying behavior of female frogs in the presence and absence of predator fish in the fish tank. Biology for AP Courses 2022-06-09T00:00:00Z By the time egg laying began again in spring, so many workers had died in the infected nests that there weren’t enough to care for the new brood. Invasive crazy ants could meet their match in a mysterious, funguslike pathogen 2022-03-27T04:00:00Z Certain fish species have shifted their egg laying forward by as many as 10 days per decade, and some plankton species are reaching peak abundance as many as 50 days earlier per decade. An "emerging crisis": The climate is changing too fast for plants and animals to adapt 2022-02-25T05:00:00Z Previous studies of how climate change might affect tick-moose interaction have focused on milder winters, which give ticks more time to find hosts while boosting their prospects for successful egg laying by reducing snow cover. Study reveals how warmer summers worsen tick infestation for moose 2021-11-22T05:00:00Z Rather than repelling the flies, the marigolds’ volatile organic compounds may serve to mask the scent of the plant the insect is seeking, interfering with egg laying. Why Diversity Is an Advantage in a Vegetable Plot 2021-04-14T04:00:00Z Observe and compare the egg laying behavior of female frogs in the presence and absence of predator fish. Biology for AP Courses 2022-06-09T00:00:00Z “Most of the reptiles that returned to the sea, they all evolved this ability from egg laying to giving birth to live young,” he said. Nevada home to 246M-year-old fossil of pregnant ichthyosaur 2020-05-31T04:00:00Z But he suspects that pheasants' intermittent egg laying may be why the more consistent chicken was ultimately domesticated instead—perhaps explaining, he says, “why today we don't eat Kentucky Fried Pheasant.” Earliest ‘Chickens’ Were Actually Pheasants 2020-05-28T04:00:00Z As a possible defense against cannibals and other predators, females on the island seem to synchronize their egg laying, providing safety in numbers. Gulls are the feathered fabric of our very landscape — and they are a lot like us 2019-10-20T04:00:00Z Previous academic work has shown that species respond to warming temperatures by earlier timing of biological events, for example egg laying by birds, budding of plants and flying of insects. Animals failing to adapt to speed of climate crisis, study finds 2019-07-23T04:00:00Z Observe and compare the egg laying behavior of female frogs in the presence and absence of predator fish in the fish tank. Biology for AP Courses 2022-06-09T00:00:00Z Quantifying the costs of parental care and the energetic demands of egg laying would help to shed light on this. When cooperators cheat 2019-02-26T05:00:00Z With enough food to survive, the nematode larvae can then enter a state of suspended animation called the dauer stage until the next windfall of fruit, when they mature and return to egg laying. Cannibalistic tadpoles and matricidal worms point to a powerful new helper for evolution 2018-11-28T05:00:00Z Some odors consistently caused the moths to touch their feet to the paper while curving their abdomen, which is how they lay eggs, indicating that moths associate those odors with egg laying. Watch moths use scent to learn about their environment 2018-02-27T05:00:00Z After being exposed to 12 hours of natural or artificial light, the chicken's hypothalamus causes the release of a reproductive hormone that spurs egg laying. Chickens Prefer Attractive People 2018-01-13T05:00:00Z Observe and compare the egg laying behavior of female frogs in the presence and absence of predator fish in the fish tank. Biology for AP Courses 2022-06-09T00:00:00Z This suggests they were bred primarily for cockfighting, egg laying, and as exotic garden ornaments. How an ancient pope helped make chickens fat 2016-09-15T04:00:00Z The platypus is an Australian mammal with some weirdly reptilian traits, like egg laying. How the Venomous, Egg-Laying Platypus Evolved 2016-07-30T04:00:00Z The problem for the egg industry is that roughly 35 million, or just over 70 percent, of the birds that have been infected, were or are egg laying hens. Eggs are no longer the cheapest source of animal protein 2015-07-23T04:00:00Z Our experiment, quickly dubbed The Lizard Project by my students, asked the question, “How does the choice of an egg laying female’s nest site affect the survival of her offspring?” The Lizard Project: why scientists and teachers should work together for science outreach 2012-08-31T15:45:02.803Z Birds and reptiles have the same circulatory and excretory systems and both are egg laying animals. Biology for AP Courses 2022-06-09T00:00:00Z They’ve seen egg laying many times before, but for me, this is thrilling. Scientist at Work Blog: Efforts to Save Endangered Hawaiian Birds 2012-05-30T20:48:05Z Percy began to feel uncomfortable, as this was the first time his golden goose had been prohibited from egg laying. A Drake by George! 2012-01-09T03:00:22.163Z Dwindling supplies, due to the sudden killing of nearly 12 percent of the 300 million-plus egg laying hens in the United States, has coerced some supermarkets to limit egg purchases. Eggs are no longer the cheapest source of animal protein 2015-07-23T04:00:00Z “Having been made aware of the unacceptable conditions in the company’s egg laying facilities, effective immediately, Target will discontinue its business relationship with Sparboe Farms,” Minneapolis-based Target said in a statement late Friday. McDonald?s, Target drop Minn.-based egg supplier after video appears to show cruel treatment 2011-11-20T00:28:40Z Broilers are chickens grown for meat as opposed to egg laying. USDA aids chicken industry with $40M purchase 2011-08-16T22:07:00Z Factory hens are confined in what are known as battery cages, which leave them crowded and all but immobilized, reduced to little more than egg laying machines. Organic Eggs: More Expensive, But No Healthier 2010-07-08T08:30:00Z These approximations often serve, however, to show some well established contrast between the different breeds with respect to their egg laying ability. Ducks and Geese By killing the insect you prevent the egg laying. The Apple The mature flies then emerge from the pupal envelope and are soon ready for egg laying. Special Report on Diseases of Cattle In some plantings wrapping the trunks with paper or burlap to protect against egg laying and maintaining low branches to shade the trunk have been helpful. Northern Nut Growers Association Report of the Proceedings at the 41st Annual Meeting Pleasant Valley, New York, August 28, 29 and 30, 1950 Then jar all trees at weekly intervals until about the middle of September, when egg laying will have been largely completed. Northern Nut Growers Association Report of the Proceedings at the 43rd Annual Meeting Rockport, Indiana, August 25, 26 and 27, 1952 At Beltsville, egg laying begins late in August and continues for several weeks. Northern Nut Growers Association Incorporated 39th Annual Report at Norris, Tenn. September 13-15 1948 As respects the time that elapses from the impregnation of the queen till the commencement of egg laying, I cannot tell, but guess it might be about two or three days. Mysteries of Bee-keeping Explained In about a month they emerge as adult beetles and begin feeding on leaves and leaf stems as their parents did in the spring, but they will do no egg laying until the following spring. Northern Nut Growers Association Thirty-Fourth Annual Report 1943 However, where they have access to both food and suitable substances for egg laying they will continue breeding just as they do outdoors during the summer. The House Fly and How to Suppress It U. S. Department of Agriculture Farmers' Bulletin No. 1408 From the fifth egg laying competition at the Hawkesbury Agricultural College in Australia, I copy the following: No. of Hens. The Dollar Hen A year from egg laying they come out like this, and begin the process all over again. A Girl of the Limberlost The egg laying mothers do not disturb themselves; they are far too busy. The Life of the fly; with which are interspersed some chapters of autobiography It is used in the Little Compton district of Rhode Island and was also used in the famous Australian egg laying contests elsewhere described. The Dollar Hen |
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