
花花世界知多少?

Flashcard
•
Science
•
6th - 8th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
花的颜色是由什么决定的?
Back
花的颜色是由花瓣细胞液中的色素决定的。
2.
FLASHCARD QUESTION
Front
什么是胡萝卜素?
Back
胡萝卜素是一种色素,主要存在于黄、橙黄、橙红色的花中,负责这些花的颜色。
3.
FLASHCARD QUESTION
Front
花青素的作用是什么?
Back
花青素是一种色素,使得花在不同的酸碱度环境中变色,遇到酸性环境变红,遇到碱性环境变蓝。
4.
FLASHCARD QUESTION
Front
昆虫如何帮助花传送花粉?
Back
昆虫被花的颜色和香味吸引,帮助花传送花粉以促进授粉。
5.
FLASHCARD QUESTION
Front
判断对错:花的颜色与昆虫的传粉行为无关。
Back
错,花的颜色吸引昆虫,有助于传粉。
6.
FLASHCARD QUESTION
Front
花瓣细胞液中存在哪些主要色素?
Back
主要色素包括胡萝卜素和花青素。
7.
FLASHCARD QUESTION
Front
花的色彩对植物的生存有什么影响?
Back
花的色彩吸引授粉者,增加授粉成功率,从而提高植物的繁殖能力。
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