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Ecological Pyramids - Ecosystem
The ancient Egyptians constructed elaborate tombs called pyramids. The base of the pyramid is broad and it supports the upper levels of the structure and it narrows to a point at the top. A similar situation is seen when we study and depict the trophic relationships in an ecosystem. The different trophic levels of an ecosystem are related to one another and can be summarised in the form of ecological pyramids. The base of each pyramid represents the producers or the first trophic level while the apex represents tertiary or high-level consumers; other consumer trophic levels are in between.
Explain the carrying capacity in ecology? Carrying Capacity : We have seen that natural populations do not normally achieve the maximum intrinsic rate of natural increase, o
Q. How is carbon dioxide made by producers and consumers? The Carbon dioxide is made by consumers and producers through cellular respiration.
Which two of the following changes (a - d) usually tend to occur in the plain dwellers when they move to high altitudes (3,500 m or more)? 1. Enhance in red blood cell size 2
Define the Primary Stain and Mordant? (i) Primary Stain - Crystal violet is the primary or first stain, which stains all the cells violet/purple. (ii) Mordant - Gram's iodin
Platyhelminthes - Larval Stages of Fasciola Hepatica and Taenia Solium? You have already studied the representative species of classes Turbellaria, Trematoda and Cestoda of Ph
Q. What is the difference between spermatocyte I and spermatogonium? The male germ cells are the spermatogonia (diploid cells, 2n) situated in the testicles and they mature an
Q. Merits and Demerits of system classification? Merits The merits of this system\are as under: • Careful observation and original description of the genera from living
THEO R Y OF PANGENESIS - Proposed by Charles Darwin. According this miniature present in the every body cell i.e. called gemmule
Conventional agro-industrial oilseed cakes Groundnut meal: It is readily available protein source byproduct from the extraction of groundnut, which is a popular human food i
Q. What is hypertension? The Hypertension is a disease in which the arterial blood pressure, during systole or during diastole, is abnormally high. The Hypertension, or high
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