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Introduction In a human, the normal chromosomes complement is 46, 44 of which are autosomes while 2 distinct chromosomes are deemed sex chromosomes, which determine the sex of an organism and various sex linked characteristics. In most animals, those who possess XX chromosomes are female while male animals possess an X and a Y chromosome. […]
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Introduction Organic evolution refers to the slow and gradual process by which living organisms have changed from the simplest unicellular form to the most complex multi-cellular forms that are existing today. Organic evolution primarily involves modifications in the existing organisms and the inheritance of these modifications.Biological evolution is genetic change in a population from one
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Introduction All living organisms reproduce. Reproduction results in the formation of offspring of the same kind. A pea plant produces only pea plants each time it reproduces. A rat produces only rats. Humans produce only humans. However, the resulting offspring need not and most often do not totally resemble the parent. Several characteristic differences may
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ECONOMIC COMMUNITY OF WEST AFRICAN STATES (ECOWAS) Ecowas is a sub-region organization formed by fifteen West African countries in 1975. Lagos was originally its headquarters before it was moved to Abuja. It now has sixteen members states as a result of the inclusion of Cape-Verde. Ecowas’ main aim is to promote economic co-operation among members
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Grammatical Structure: Direct and Indirect Speech The word ‘reported’ is often used for the second type; but the truth is that we can ‘report’ EITHER by using ‘direct speech’ OR by using ‘indirect speech’. The difference is that with direct speech we reproduce the actual words of a speaker; with indirect speech we do this
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Introduction An algebraic function is a function that can be written using a finite number of the basic operations of arithmetic (i.e., addition, multiplication, and exponentiation). In order to take the derivative of these functions, we will need the power rule. The Power Rule: The power rule states that if , then . Exponential and
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Subordinate Clause A subordinate clause (or dependent clause) is a clause that cannot stand alone as a complete sentence because it does not express a complete thought. A subordinate clause is a group of words, which include a finite or non-finite verb. The subordinate clause cannot stand independently as it is not complete as a
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Introduction to Tangent of an Angle The tangent is one of the three basic trigonometric functions, the other two being sine and cosine. These functions are essential to the study of triangles and relate the angles of the triangle to its sides. The simplest definition of the tangent uses the ratios of the sides of
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Introduction: The Earth in Space The interest of man in space has existed from ancient times when man employed the naked eyes to study and speculate on the moon, the stars, the sun, and other things which were imagined to be there in space. As time went by, man began to carry out more systematic studies
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The computer is one of the best innovations that has remarkably changed the course of man positively. Computing has made life easier, the impact of computing is evident in every sphere of life. Entertainment, business, and the educational sphere have been impacted positively by computing. Computing has been very instrumental in making the world a
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