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Q. How does the vegetal stratification of an ecosystem influence the biological diversity?
The vegetal stratification of the ecosystem like the strata of the Amazon Rainforest, creates vertical layers with peculiar abiotic and biotic factors dividing the ecosystem into several different environments. Thus in the superior layer near the crowns of big trees the exposition to light, wind and rain is greater but moisture is lower compared to the inferior layers. Because one goes down the strata the penetration of light diminishes and moisture increases. Regarding the biotic factors communities of each stratum present in reproduction strategies, differcomposition and features, food habits, and so on. Such variations in the biotic and abiotic factors make the selective pressure upon living beings to be also diversified, there are more ecological niches to be explored and more varied beings emerge during the evolutionary process.
Q. Explain Limited mucosal contact diarrhoea? Limited mucosal contact diarrhoea: It results from situations of inadequate mixing of chyme (semi-liquid mass of food passing thro
Are there ribosomes in a plant cell? Yes, in fact there are ribosomes in both plant and animal cells. That is right. Ribosomes are the site of synthesis of polypeptide chain
Explain which is better to grow plants in Rock sand or soil? Ans) When we grew plants inside, with no wind, and the plants in the rocks grew superior to the plants that were gr
What are the uses of microorganisms
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Q. What happens to the TSH (thyroid-stimulating hormone) blood level in hypothyroidism? Why is there enlargement of the thyroid in the endemic goiter disease? When there is low
T hese are some important uses of biodiversity. 1. Source of food, medicines and drugs: (a) Wheat, rice and maize are three carbohydrate rich crops and contribute
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