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What is pollination? What are the main forms of pollination?
The process in which pollen grains (the male gametophytes of phanerogamic plants) reach the female gametophyte is known as pollination.
Characteristics of the flowers of every plant species relate to the type of pollination used by the plant. Colored flowers are specialized in bird and insect attraction; nocturnal flowers normally are white and perfumed, a lot of specialized in pollination by bats; the nectar is also a specialization to attract pollinator animals; flowers that make an exaggerated amount of pollen often use the wind as pollinator; the position of anthers more external or internal next to the nectar is a way to facilitate the pollen dissemination respectively by the wind or by animals.
Types of Ecosystem Basically ecosystems are of two types : terrestrial and aquatic. If you travel from plains to the mountains in the Himalayas, you notice significant changes
Floating Stage - Hydrarch The pond is now colonised by plant species which are rooted in mud but their leaves reach water surface and float. These are species of Nelumbo, Nymp
In what way does overgrazing lead to soil erosion?
State about polyploid cells During development cells of certain tissues like the salivary gland and liver produce extraordinary amounts of selected proteins. This is often achi
There is no Interphase preceding second meiotic division. There is a brief intervening period called Interkinesis During this period there may be synthesis of some reserve fo
Social Determinants of Health - Food The twin paradox of food i.e., research showing excessive intake can lead to a variety of diseases whilst at the same time food poverty be
1. Identify and compare the methods of somatic gene therapies for ADA deficiency described on pp. 404-405 (Lewis) and OTC deficiency described on pp. 405-406 (Lewis). 2. Compa
Q. Non - Direct Approach to counseling? The counsellor's participation is minimal; here the counsellee freely expresses. The counsellor pays attention to the emotion and attitu
Explain sol -gel transformation During sol -gel transformation, a three dimensional network is formed by the interlocking of dispersed particles. The liquid phase is entrapped
What is a genetic family tree? Genetic family tree is a schematic family tree that shows the biological inheritance of some trait by successive generations. Genetic family t
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