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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.
Gregor Mendel's Law of Independent Segregation referred to which of the following genetic elements? A. Alleles of two genes that reside on the similar chromosome B. Alleles
One example of animals having a single opening to the outside that serves both as mouth as well as anus is: 1. Octopus 2. Asterias 3. Ascidia 4. Fasciola Ascidia i
Listed below are examples of behaviors that typify a defense mechanism at work. For each example choose the correct defense mechanism and explain the reason for your choice. 1. J
Adrenal causes of hypertension are: 1) Excess of aldosterone production in primary aldosteronism. The diagnosis may be suspected when persistent hypokalemia is detected. Most of
Define prevention of IDD - Communication Campaign? A mass communication campaign is needed to create awareness in the community about the consequences of IDD and the benefits o
Is the effect of genetic drift likely to be the same in pop 1 and pop 2? How are genetic drift and pop size related? When there is strong selection against the homozygous recessive
Dispersal of Seeds A plant usually bears many fruits and innumerable seeds. If all the seeds produced by a plant were to germinate in the immediate vicinity, this will have s
The overall goal of BCC programs for diabetes mellitus is to promote behaviors that control diabetes mellitus and prevent complications. These include: Following treatment
Morphogenesis and Totipotency A chlamydomonas mother cell gives rise to two daughter cells by a simple division. But a leaf cell cannot give rise to a new plant except in cas
Neuroglia - Organisation of Nervous System We may refer neuroglia as the connective tissue of the nervous system. It involves all elements of the nervous system other than ne
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