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Biology

Micro Organisms in Air and Water – Bacteria, Viruses, algae, Protozoa, fungi

https://www.youtube.com/embed/YSitT0oOoycMicro-organisms are very tiny living organisms are also known as microbes.Human immunodeficiency virus (HIV) is the cause of acquired immunodeficiency […]

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Biology

Government Efforts to Increase Food Production

Many African countries has embarked on gigantic agricultural development programmes that failed Because of undefined government policies, absence of planning, […]

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Biology

Relationship between Availability of Food and Human Population (Effects of Storage)

Malthusian hypothesis that human population increases by geometric progression while food increases in arithmetic progression, is an indication that relationship […]

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Biology

Population Growth and Food Supply

Population can be defined as the total number of organism of the same species living in a habitat over a […]

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Biology

Food Production and Storage

The primary aim of agriculture is to provide adequate food for an ever increasing human population. The issue of food […]

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Biology

Energy Loss in the Ecosystem and Energy Transformation in nature

Energy Loss in the Ecosystem You remember that energy exists in various forms, and various forms are interconvertible and as […]

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Biology

Non-cyclic Nature of Chemical Energy Transfer

The energy flow in an ecosystem is not cyclic because being an energy pyramid, it moves from the producers at […]

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Biology

Food Chain, Food Webs and Trophic Levels

As living and non-living things interact, energy is transferred from one level to the other. The ecosystem actually operates as […]

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Biology

Meaning and component of ecosystem

In this topic, the question a wise student will ask is; what is ecosystem? First of all, the word ‘eco’ […]

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Biology

Relationship between Soil Types and Water Holding Effects of Soil on Vegetation

Soil is the uppermost layer of the earth’s crust which provides support and nutrient for plants growth and habitat for […]