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The effect of natural selection on colonies or population favouring one group in preference to other may be referred to as group selection. A group can be the smallest collection of individuals within a population or a colony. Group selection, it must be understood, is distinct from selection among individuals. The fitness of the genotypes between groups may vary within a population. The concept of altruism can be extended to groups as well. A colony consisting of many altruists has better chances of survival than a colony consisting of selfish individuals. Let us take hypothetical situatioii where individuals of a colony, reproduce indiscriminately having no regard for the carrying capacity of the environment. On the other hand, consider a colony of individuals with genes restricting population growth, utilising optimally the food sources of the environment. The selection would essentially favour the latter group and the former may eventually face extinction.
Anton van Leeuwenhoek was the first to propose placing microorganisms into the Kingdom Monera. True or False
How do organisms adjust to changes in temperature? Some of the most ordinary way for an organism to adjust to changes in body temperature is by perspiration or panting.
What are the five kingdoms into which living beings are divided? Which group of living being is out of this classification? The five kingdoms of living beings are the kingdom M
The presence of advanced plaques of types IV and Va allows clinical symptoms to develop. Atherosclerosis is a biphasic disease; in the first stage, advanced plaques are generated b
When the overlap between the thin and thick filaments of a sarcomere in a skeletal muscle is decreasing, A. the total length of the I band is increasing in the sarcomere. B.
The organisms that live in hostile environments that cannot support other forms of life are members of what kingdom?
URETERS From hilum of each kidney emerges out a tube. Wall is thick. Lumen is star shaped. 28 cm. long. Transitional epithelium present in wall. Open in to urinary bla
Explain the Aseptic Technique - Sub Culturing? Aseptic technique is a series of procedures used to prevent contamination of cultures and sterile culture media. It is one of the
Explain Food Applications of xanthan Xanthan gum is mainly considered to be non-gelling and used for the control of viscosity due to the tenuous associations, endowing it w
comparitive table to explain the differences between the animals in chordate classes
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