Explain the pollination
Explain the pollination? Specify the main forms of the pollination?
Expert
The process wherein the pollen grains (male gametophytes of the phanerogamic plants) arrive at the female gametophyte is known as the pollination. The main forms of the pollination include:
a) Anemophily, wherein the pollen is carried out through the wind. b) Hydrophily, pollination carried out by the water; c) Entomophily, pollen carried out by the insects; d) Ornitophily, pollination carried out by the birds; e) Chiropterophily, pollen distrubuted by the bats.
Characteristics of flowers of each of the plant species relates to the type of pollination carried out by the plant. Colored flowers attracts the birds and insects; nocturnal flowers usually are white and perfumed, many are specialized in the pollination by bats; the nectar is also a specialization used to attract the pollinator animals; flowers which generates an exaggerated amount of the pollen generally use the wind as pollinator; the position of the anthers more external or internal next to the nectar give the way in order to facilitate the pollen dissemination respectively by the wind or by the animals.
There are several factors that influence the effectiveness of a group. Certain characteristics of the group, the types of tasks they perform, the work setting, the technology used and the operating dynamics of the group within the work setting all have an influence on group effectiveness, we can
Briefly explain the term Humorous Look at Sex Education?
How does sodium-potassium pump existed in the cell membrane work? Also state what is the significance of this protein for cell?
What is the meaning of concentration gradient? Is it accurate to refer to concentration gradient of water?
What is a human skeleton? Illustrate it briefly.
Specify some of the diseases characterized by the progressive loss of axonal myelin sheath?
Explain the endosperm of the gymnosperms and of the angiosperms?
Explain which period of life does the formation of gametes start in female?
I. It is the quickest means of transmitting messages. II. E-mail does not thrust itself upon the receiver. You can check your mailbox and receive your messages at your leisure. III. E-mail saves you from telephone tags.
The expectancy model is based upon the belief that motivation is determined by the nature of the reward people expect to germ as a result of their job performance. The underlying assumption is that a man is a rational being and will try to maximize his perceived value of such rewards. He will cho
18,76,764
1950877 Asked
3,689
Active Tutors
1423359
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!