When a susceptible insect ingests the transgenic crop cultivar expressing the Bt protein, it stops feeding and soon thereafter dies as a result of the Bt toxin binding to its gut wall.

When populations within a species become isolated by geography, feeding strategy, mate selection, or other means, they may start to differ from other populations through genetic drift and natural selection, and over time may evolve into new species.

When feeding, it has a multinucleate base and a contractile stalk up to 150 μm in length, supporting a relatively small uninucleate head, where the central granule and axopods are located.

When conditions are harsh, often before winter or in poor feeding conditions, sexual reproduction occurs in some hydras.

When feeding, hydras extend their body to maximum length and then slowly extend their tentacles.

When the temperature drops below 50 ° F ( 10 ° C ), feeding, particularly with protein, is halted or the food can spoil in their stomachs, causing sickness.

When bonobos come upon a new food source or feeding ground, the increased excitement will usually lead to communal sexual activity, presumably decreasing tension and encouraging peaceful feeding.

When the Franco-Prussian War broke out, the war ministry, which had previously tested the possibility of feeding soldiers solely on instant pea soup and bread, built a large manufacturing plant and produced between 4, 000 and 5, 000 tons of Erbswurst for the army during the war.

When feeding in shallow water it will dip its head and neck under the water, and it is able to keep its head flat against the bottom while keeping its body horizontal.

When the body length is 4 to 8 cm they start feeding on small fish.

When feeding as a heterotroph, the Euglena surrounds a particle of food and consumes it by phagocytosis.

When not breeding, several birds may also be loosely associated in good feeding areas, such as a fruiting tree, often with other thrushes.

When feeding at carcasses they are dominated over by Red-headed Vultures Sarcogyps calvus.

When feeding on land they consume seeds, leaves, nuts and acorns, berries, fruit, insects, worms, snails, small reptiles, mammals and birds.

When the bird is feeding among other jays or resting, the crest is flattened to the head.

When forage is poor and rainfall patchy, kangaroos will travel 25 – 30 km to more favourable feeding grounds.

When grown bare root, the epiphytic species require daily watering and weekly feeding and are very heavy feeders in cultivation.

When this information is applied to the tenontosaur sites, it appears that what is found is consistent with Deinonychus having a komodo-or crocodile-like feeding strategy.

When generating renewable energy and feeding it back into the grid ( in participating countries such as the US and Germany ), producing households are typically paid at least the full standard electricity rate by their utility and are also given separate renewable energy credits that they can then sell to their utility, additionally ( utilities are interested in buying these renewable energy credits because it allows them to claim that they produce renewable energy ).

When feeding young, adults will hammer off the heads off large insects to make them easier to consume, and remove the gut from caterpillars so that the tannins in the gut will not retard the chick's growth.

When climbing up the trunks of trees they do so in the manner of a woodpecker, and when feeding on the ground they hop instead of walking like the true Hoopoe.

When feeding with other species, it becomes aggressive.

When feeding the short dark green legs give it a characteristic ' low-slung ' appearance.

When, in late afternoon on the last day in June, he saw two people top the ridge to the south and walk toward the house, he quit work immediately and strode to his rifle.

When he saw the expression in her eyes, he knew he couldn't send them on.

When they turned in the saddle they could see the men behind them, strung out on the prairie in a flat black line.

When one of the men in the hall behind us spat on the floor and scraped his boot over the gob of spittle I noticed how the clerk winced.

When they reached their neighbor's house, Pamela said a few polite words to Grace and kissed Melissa lightly on the forehead, the impulse prompted by a stray thought -- of the type to which she was frequently subject these days -- that they might never see one another again.

When Fred Powell's brother-in-law, Charlie Keane, moved into the dead man's home, the anonymous letter writer took no chances on Charlie taking up where Fred had left off and wasted no time on a first notice:

When I fell on my back, I saw a vulture hovering.

Joyce went on, `` When we'd finished, Lou -- Mr. Thor -- asked me to stay a little longer.

When we opened the door again for business and switched on the lights she said:

When he sank on his knees, they had allowed him to char without administering the stroke of mercy.

When he got closer to the tree, Matsuo noted the wild look on his face.

When he rolled on the left side, propping on his left elbow, Matsuo seized his hair and pulled him back over.

When her hand touched his, fire went through Jack and he felt weak, but he managed somehow to get her on her feet.

When he finally left the sinister mansion on Perdido Street, he was carried out in a coroner's basket.

When you pass a church on an Irish bus, all the hands flurry in the sign of the cross.

When he was stripped, deloused and numbered by his guards, his much-thumbed sketchbook was seized and thrown on a pile of prisoners' goods to be confiscated.

When combined with the metaphysical notion that pure forms of this universe are best appreciated when least embodied in a material substratum, it becomes clear that while earth will be dross on a scale of material-formal ratios, celestial bodies will be of a subtle, quickened, ethereal existence, in whose embodiment pure form will be the dominant component and matter will be absent or remain subsidiary.

When the family business failed, Mercer left school and on his mother's urging -- for she hoped that he would become an actor -- he joined a local little theater group.

Besides doing a single song, `` When The Sun Comes Out '', they worked on the ambitious American-Negro Suite, for voices and piano, as well as songs for films.

When I returned to make my report, the Hetman did not remember having sent me on the secret mission.

When Fred wheeled him back into his room, the big one looking out on the back porch, and put him to bed, Papa told him he was very tired but that he had enjoyed greatly the trip downtown.

When the young biologist, Dr. Ballard, began to show interest in our daughter Elizabeth, this induced a corresponding interest, on our part, in him.

When he turns briefly to literary style, in the Third Book, he again looks to the effect on the audience.