Moreover, the arrangement of the flower’s internal organs is often such as to compel the insect to become smeared with pollen in order to reach its food; when the insect visits another flower, it is pollinated by insects, and among these so-called entomophilous flowers are the zygomorphic...
What is pistil in flower - The female parts of a flower are called the pistil. Pistil comprises of style, stigma, ovary and ovules. The stigma catches the pollen. The ovary develops into a fruit, while the ovules develop into seeds. The ovules, when matu
What characteristic of wind-pollinated flowers assists in pollen dispersal? Their light and smooth pollen is designed to travel easily on the wind. 10 Can a flower be both insect and wind-pollinated? While most flowers are specialized, some can utilize both wind and insects for pollination. ...
The bottom of the pistl is usually in themiddle of the flower The pistil has one or more tiny eggs inside itThe male part of a flower is called stamen. One flower can have many stamens. Thestamen is long and thin with a fuzzy top. The fuzzy top is covered with pollen. Pollen is ...
to eat. The butterfly decides to stop for a snack. Pollen from the plant's anther gets stuck to the butterfly's legs. As the butterfly flies from one flower to the next, he is spreading the pollen from his legs to the stigma of other similar flowers, helping the pollination process....
Your friend is allergic to pollen. What should you remind him? A. Play in the flower garden every day B. Wear a mask when going out C. Smell the flowers closely D. Touch the flowers often 相关知识点: 试题来源: 解析 B。解析:对花粉过敏出去的时候应该戴口罩,A选项每天在花园里玩、C选项...
Many plants reproduce through the use of flowers. Generally, a flower contains two primary parts: a pistil and a stamen. The pistil contains an ovary and ovule, which develops into a seed when fertilized. The stamen is made up of a filament and a pollen-coated anther. When pollinators, ...
bring pollen to eggs. Many animals love flowers’ bright colors. They also like asugary liquid(甜的汁液) in flowers. This is callednectar(花蜜). While they drink nectar, pollenrubs off(摩擦掉落在) on their bodies. As they move, some of this pollen gets delivered to the female flower ...
Pollinators are important.They spread pollen (花粉) among plants with flowers.This helps the flower produce seed and fruit.Without pollinators,farms cannot make food.We all need pollinators. To do their study,Ryalls' team built eight areas.Then,they piped (吹送) nitrogen o...
A stamen is the male part of a flower, and together all stamens form the inner third whorl of a flower structure called theandroecium. Each stamen comprises a long tubular filament with a sac called theantherat the top.Pollengrains contain male reproductive cells or malegametesand are produc...