英语词汇“heliotropism”造句的方法、技巧、例句及翻译-英语例句辞典

The researchers have not yet identified the genes involved in heliotropism. How sunflowers see the sun 2023-10-31T04:00:00Z

It’s heliotropism, and sunflowers are not the only plants that track the sun. How Sunflowers Follow the Sun, Day After Day 2016-08-04T04:00:00Z

But light sensitivity—or heliotropism—plays a role too. Here's How Flowers Move—and Why 2016-08-04T04:00:00Z

Very little attention has been given to the subject of heliotropism until within a few recent years. Butterflies Worth Knowing 2011-08-10T02:00:15.887Z

Since plants possess no nerves, this identity of animal with plant heliotropism can offer but one inference—these heliotropic effects must depend upon conditions which are common to both animals and plants. Introduction to the Science of Sociology

Blocking blue, ultraviolet, red or far-red light with shade boxes had no effect on the heliotropism response. How sunflowers see the sun 2023-10-31T04:00:00Z

I tiptoed religiously by it, went on up to the big house where the three women slept, as if drawn to their abode by a sort of heliotropism. Tramping on Life An Autobiographical Narrative

Are we to suppose that the upper half of the body or eye had a positive heliotropism and the lower half a negative heliotropism? Hormones and Heredity

This response has commonly been called heliotropism and it has been carefully studied by botanists all over the habitable world. Butterflies Worth Knowing 2011-08-10T02:00:15.887Z

At first the plant bent so much towards the light that it was useless to attempt to trace the movement; but at 10 A.M. heliotropism almost wholly ceased and the first dot was Fig. The Power of Movement in Plants

At the same time the temperature of the water near the surface is lowered and this also increases the positive heliotropism in the organisms. Darwin and Modern Science

This unequal rate of movement, interrupted by pauses, and at first with occasional retrogressions, accords well with our conclusion that heliotropism consists of modified circumnutation. The Power of Movement in Plants

Thus, an exposure to a feeble light for a very short time at the above specified intervals, sufficed to induce well-marked heliotropism. The Power of Movement in Plants

He defines "List" as "an attitude resulting from the rotation of the insect about its longitudinal axis, as heliotropism results from a rotation about an imaginary vertical axis at right angles to this." Butterflies Worth Knowing 2011-08-10T02:00:15.887Z

As this upward movement occurred with plants kept in the dark and in whatever position the main peduncle was fastened, it could not have been caused by heliotropism or apogeotropism, but by hyponasty. The Power of Movement in Plants

The character which is transmitted in this case is not the tendency to migrate periodically upwards and downwards, but the positive heliotropism. Darwin and Modern Science

Natural selection in connection with geotropism, heliotropism, etc., The Power of Movement in Plants

When a plant is exposed to a dim lateral light and continues during the whole day bending towards it, receding late in the evening, the movement unquestionably is one of heliotropism. The Power of Movement in Plants

In both sets of cases the movement may be modified in a closely analogous manner by geotropism and by heliotropism; though few climbing plants are heliotropic. The Power of Movement in Plants

When the pod is nearly ripe, the upper part straightens itself and becomes erect; and this is due to hyponasty or apogeotropism, or both combined, and not to heliotropism, for it occurred in darkness. The Power of Movement in Plants

The tendency to migrate is the outcome of the fact that periodically varying external conditions induce a periodic change in the sense and intensity of the heliotropism of these animals. Darwin and Modern Science

We thought, at first, that this difference in their positions was in some manner due to heliotropism, for the leaves are highly heliotropic. The Power of Movement in Plants

Nevertheless, to make sure, some flower-heads were tied to little sticks upside down and others in a horizontal position; their sub-peduncles, however, all quickly curved upwards through the action of heliotropism. The Power of Movement in Plants

This problem reduces itself simply to that of the method whereby the gametes transmit heliotropism to the larvae or to the adult. Darwin and Modern Science

This exposure was amply sufficient, as was shown by the strongly-marked heliotropism of all the free seedlings in the same pots; nevertheless, some were left exposed to the light for a much longer time. The Power of Movement in Plants

Since the workers show no heliotropism it looks as if an internal secretion from the sexual glands were the cause of their heliotropic sensitiveness. Darwin and Modern Science

These periodic motions are determined to a large extent, if not exclusively, by the heliotropism of these animals. Darwin and Modern Science

We notice also the reverse phenomenon, namely, that chemical changes produced in the animal destroy its heliotropism. Darwin and Modern Science

The heliotropism of animals is identical with the heliotropism of plants. Darwin and Modern Science

Drosera rotundifolia is one of the few plants the leaves of which exhibit no trace of heliotropism. The Power of Movement in Plants

We may briefly discuss the question of the transmission through the sex cells of such instincts as are based upon heliotropism. Darwin and Modern Science

The writer has shown that the experiments on the effect of acids on the heliotropism of copepods can be repeated with the same result in Volvox. Darwin and Modern Science

单词	heliotropism
例句	heliotropism The researchers have not yet identified the genes involved in heliotropism. How sunflowers see the sun 2023-10-31T04:00:00Z It’s heliotropism, and sunflowers are not the only plants that track the sun. How Sunflowers Follow the Sun, Day After Day 2016-08-04T04:00:00Z But light sensitivity—or heliotropism—plays a role too. Here's How Flowers Move—and Why 2016-08-04T04:00:00Z Very little attention has been given to the subject of heliotropism until within a few recent years. Butterflies Worth Knowing 2011-08-10T02:00:15.887Z Since plants possess no nerves, this identity of animal with plant heliotropism can offer but one inference—these heliotropic effects must depend upon conditions which are common to both animals and plants. Introduction to the Science of Sociology Blocking blue, ultraviolet, red or far-red light with shade boxes had no effect on the heliotropism response. How sunflowers see the sun 2023-10-31T04:00:00Z I tiptoed religiously by it, went on up to the big house where the three women slept, as if drawn to their abode by a sort of heliotropism. Tramping on Life An Autobiographical Narrative Are we to suppose that the upper half of the body or eye had a positive heliotropism and the lower half a negative heliotropism? Hormones and Heredity This response has commonly been called heliotropism and it has been carefully studied by botanists all over the habitable world. Butterflies Worth Knowing 2011-08-10T02:00:15.887Z At first the plant bent so much towards the light that it was useless to attempt to trace the movement; but at 10 A.M. heliotropism almost wholly ceased and the first dot was Fig. The Power of Movement in Plants At the same time the temperature of the water near the surface is lowered and this also increases the positive heliotropism in the organisms. Darwin and Modern Science This unequal rate of movement, interrupted by pauses, and at first with occasional retrogressions, accords well with our conclusion that heliotropism consists of modified circumnutation. The Power of Movement in Plants Thus, an exposure to a feeble light for a very short time at the above specified intervals, sufficed to induce well-marked heliotropism. The Power of Movement in Plants He defines "List" as "an attitude resulting from the rotation of the insect about its longitudinal axis, as heliotropism results from a rotation about an imaginary vertical axis at right angles to this." Butterflies Worth Knowing 2011-08-10T02:00:15.887Z As this upward movement occurred with plants kept in the dark and in whatever position the main peduncle was fastened, it could not have been caused by heliotropism or apogeotropism, but by hyponasty. The Power of Movement in Plants The character which is transmitted in this case is not the tendency to migrate periodically upwards and downwards, but the positive heliotropism. Darwin and Modern Science Natural selection in connection with geotropism, heliotropism, etc., The Power of Movement in Plants When a plant is exposed to a dim lateral light and continues during the whole day bending towards it, receding late in the evening, the movement unquestionably is one of heliotropism. The Power of Movement in Plants In both sets of cases the movement may be modified in a closely analogous manner by geotropism and by heliotropism; though few climbing plants are heliotropic. The Power of Movement in Plants When the pod is nearly ripe, the upper part straightens itself and becomes erect; and this is due to hyponasty or apogeotropism, or both combined, and not to heliotropism, for it occurred in darkness. The Power of Movement in Plants The tendency to migrate is the outcome of the fact that periodically varying external conditions induce a periodic change in the sense and intensity of the heliotropism of these animals. Darwin and Modern Science We thought, at first, that this difference in their positions was in some manner due to heliotropism, for the leaves are highly heliotropic. The Power of Movement in Plants Nevertheless, to make sure, some flower-heads were tied to little sticks upside down and others in a horizontal position; their sub-peduncles, however, all quickly curved upwards through the action of heliotropism. The Power of Movement in Plants This problem reduces itself simply to that of the method whereby the gametes transmit heliotropism to the larvae or to the adult. Darwin and Modern Science This exposure was amply sufficient, as was shown by the strongly-marked heliotropism of all the free seedlings in the same pots; nevertheless, some were left exposed to the light for a much longer time. The Power of Movement in Plants Since the workers show no heliotropism it looks as if an internal secretion from the sexual glands were the cause of their heliotropic sensitiveness. Darwin and Modern Science These periodic motions are determined to a large extent, if not exclusively, by the heliotropism of these animals. Darwin and Modern Science We notice also the reverse phenomenon, namely, that chemical changes produced in the animal destroy its heliotropism. Darwin and Modern Science The heliotropism of animals is identical with the heliotropism of plants. Darwin and Modern Science Drosera rotundifolia is one of the few plants the leaves of which exhibit no trace of heliotropism. The Power of Movement in Plants We may briefly discuss the question of the transmission through the sex cells of such instincts as are based upon heliotropism. Darwin and Modern Science The writer has shown that the experiments on the effect of acids on the heliotropism of copepods can be repeated with the same result in Volvox. Darwin and Modern Science
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