Define population density
Describe briefly the term population density?
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Population density is relation between the number of individuals of the population and area or volume they inhabit. For instance, in 2001 human population density of United States (in accordance with the World Bank) was 29,71 citizens per square kilometer and China had a population density of 135,41 humans for each square kilometer.
Explain how are nutrients distributed by digestive system in the planarias?
In support of enzymatic reaction write down the effect of a substance with same spatial conformation as enzymatic substrate? How is this kind of substance recognized?
Cnidarians and Poriferans do not contain excretory systems. Do platyhelminthes encompass an excretory system?
How did Darwin reach principle of natural selection from observation of differentiations between individuals of same species?
What is the pH inside stomach? Why it is the required to keep that pH level? How it is maintained? Specify the cells which maintains that particular pH?
Explain the synthetic auxins and specify their uses?
Define mineral salts? Where in living beings can mineral salts are found?
Milk Tolerance In Humans: Most of the adults find it difficult to digest, Lactose the sugar in milk. This is because the gene, that code for the enzyme Lactase, is switched off. Lactase breaks lactose into of glucose and galactose. Glucose and galacto
This model is a useful extension of the supportive model. The term collegial relates to a body of persons having a common purpose. This model, which embodies a team concept, first achieved widespread applications in research laboratories and similar work environments.
According to stimuli they gather how are the sensory receptors categorized?
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