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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.
On a separate piece of paper, draw a simple family tree for a couple showing children (F1), and lineages from two children showing grand children (G2), great grandchildren (G3), gr
Agricultural activities - Cause of Air Pollution Agricultural activities too are a major cause of air pollution. About 60 to 65% of carbon dioxide is produced from burning of
Hydrolyases These enzymes (code EC 3) catalyze the hydrolytic cleavage of C-O, C-N, C-C and some other bonds, including phosphoric anhydride bonds. Their trivial names are f
What is the difference between bryophytes and tracheophytes? Bryophytes are nonvascular plants (mosses, hornworts, liverworts), i.e., they do not have a conductive system for t
What is Cerebrum Cerebrum is divided into right and left parts known as cerebral hemisphere. It is the largest part of the brain. The functions of the cerebrum: It recei
Explain risk factor at the global perspective in heart diease? While the risk of Cardio-vascular diseases has been found to be variable in different ethnic groups with the high
In fact a real earthquake ground motion at a particular site is much more complicated that than the simple waveform depicted. It would be beneficial if we make comparison between t
Q. Show the Anatomical Evidence? Anatomy is the study of the structure, organisation and development of cells and tissues of plants and animals. For over a century taxonomists
Sickling occurs in deoxyhemoglobin, but not in oxyhemoglobin. Normal deoxyhemoglobin (HbA and HbS) molecules have a small hydrophobic "pocket" on the surface of a ? chain. In oxyhe
Explain in detail about the optic nerve The optic nerve contains more than one million axons that initiate in the ganglion cell layer of the retina. This structure originatcs a
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