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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.
The biologicaI species concept claims that species consist of natural populations and that species are real and objective. They are not man-made subjective abstraction. According
Islet of Langerhans: They are insulin-producing tissues. It was discovered by Paul Langerhans in 1869. These cells are in groups and look like islands in the pancreas. There are ab
An island may be colonised by just a few individuals, or just a pair:, or even a single gravid female. When a new population develops from these early colonisers of the island, the
What are the events that mark the beginning and the end of the third interphase period? What happens in the cell in this period? The third interphase period is the G2. It star
Method to Estimate Phytochrome Since there is no chemical test, the only method available to test and estimate phytochrome is the spectrophotometric method. Firstly, the diffe
Define the Sun and Solar Drying Method? The make use of solar energy to preserve the food items is mainly the oldest form of food reservation and is still practiced today for f
Q. What are the major human diseases caused by virus? Among diseases caused by virus are common cold, variola (considered eradicated nowadays), mumps, measles, rubella, AIDS, t
I have 9 questions in my undergraduate cardiovascular physiology class I need help with. It is mostly dealing with slow response action. I need the work in about 2nite hours from n
What are autotrophic beings? What are heterotrophic beings? The Autotrophic beings are those that can produce their own food that is that make organic material from inorganic c
Explain the types of care of teeths a) Plastic/ Nylon Scalers: These are available in a variety of shapes and are moderately effective in calculus removal. Can be Ultrasonic
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