Excretion in Mammals The four types of excretory organs used by mammals are Lungs, Skin, Liver and Kidney. The lungs excrete […]
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Excretion is defined as the process by which toxic metabolic wastes are being removed from the body of a living […]
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Ecology Of Populations
Ecological succession is a chain of events in which one community is gradually replaced by another in an orderly series, […]
Terrestrial habitat are environment consisting of ground on earth such as forest, grassland, uncultivated land and a fellow farmland. FOREST […]
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Terrestrial Habitat Marshes
Terrestrial habitats are described mainly by the types of vegetation they have and that vegetation depends on the rainfall and […]
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Fresh water habitat
Fresh water are all inland water bodies which are salt-free or contain no significant amount of salt. Types of salt […]
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Marine Habitat
Marine habitat is made up of the shore and open sea which are water that is extremely salty. It has […]
Oxygen intake and expulsion of carbon(iv)oxide in unicellular organism is by diffusion through the entire body surface. Oxygen needed for […]
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Respiratory system
Respiration is defined as the oxidation of food substance in the cell particularly in the mitochondrion with the release of […]
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Theories of Evolution
The world is believed to have been occupied by millions of different plants and animals. These plant are animal are […]