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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.
Explain Herbicide tolerant crops in Evolutionary way Increased use of herbicide can result in increase in development of weed resistance to that herbicide either through
Based on the scientific name. Streptococcus agalactiae what morphology would you expect these cells to have?
EGG S OF INSECT This eggs is centrolecithal and it is elliptical. It diameter is 2-3 mm. It has two eggs membrane i.e. vitelline membrane and chitinous capsule. The chit
Lipid Digestion Digestion of fats is also similar in both invertebrates and vertebrates. Lipases are the - enzymes that hydrolyse fats. A single lipase can catalyse many step
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S p e c i a l Uses Biogas Biogas is an important renewable energy resource for rural areas. Generation of bio-gas from dung and urine is a very simple and cost-effective
The pH of a solution of 1 M HCl is: Select one: a. 0 b. 0.1 c. 1 d. 10 e. negative 1
mitochondria?
he Lac Repressor protein, which we will talk about a bit later in the course, is important for controlling expression of a number of genes in E. coli. There are about 10 copies of
DERMIS (CORIUM) - Mesodermal in origin. More developed part. Leather is obtained from dermis by tanning. Thinnest in eye lid. Connective tissue present. In it 4 types
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