Known as phototropism, this movement is very pronounced in few species.
Plants' responses also vary according to the wavelength of the light to which they (27) ___ with red light, often evoking the strongest response.
Plant hormones called auxins trigger cellular changes and swelling inside the plant, causing it to move (28) ____ light.
The shoots of several vines maybe purposefully away from the light.
They seek instead dark solid objects to climb; this process is called phototropism, or skototropism growing toward darkness.
Plant roots also exhibit this negative (29) ____, but they also respond strongly to gravity.
Few plants move in response to the daily motion of the sun.
Baca Juga: Jawab Soal Bahasa Inggris Kelas XI, Final Test Reading Section No. 20-22
This action, called heliotropism, does not involve (30) ____ growth and is therefore not considered a form of phototropism.
Terjemahan
Banyak tanaman dan beberapa organisme lain, seperti jamur, yang cenderung tumbuh ke arah sumber cahaya.
Dikenal sebagai fototropisme, gerakan ini sangat menonjol pada beberapa spesies.