Author: workhouse123
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THE EGG—origin of the Embryo
The starting point of all many-celled organisms is the one-celled ovum, or egg. Throughout the animal world there are hundreds of different types of eggs. Some have shells; others do not. There are large eggs and tiny ones. The number of eggs produced varies enormously from species to species. A codfish, for example, may lay up…
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Examples of Ecology
Human Ecology It focuses on the relationship between humans and the environment. It emphasizes the impact human beings have on the environment and gives knowledge on how we can improve ourselves for the betterment of humans and the environment. Niche Construction It deals with the study of how organisms alter the environment for the benefit…
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Importance of Ecology
Conservation of Environment Ecology helps us to understand how our actions affect the environment. It shows the individuals the extent of damage we cause to the environment. Lack of understanding of ecology has led to the degradation of land and the environment. It has also led to the extinction and endangerment of certain species. For…
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