A bottleneck effect is the term used to describe the loss of genetic variation that occurs after outside forces destroy most of a population. The few individuals left to reproduce pass their traits on to all of their offspring, which then may thrive without the competition of a large population.Read More →

Examples of dynamic verbs in English are ‘to run’, ‘to hit’, ‘to intervene’, ‘to savour’ and ‘to go’. A striking feature of modern English is its limited use of the simple present tense of dynamic verbs. Generally, the tense is required to express an action taking place in the presentRead More →

Macroevolution refers to evolution of groups larger than an individual species. The history of life, on a grand scale. … The basic evolutionary mechanisms — mutation, migration, genetic drift, and natural selection — can produce major evolutionary change if given enough time. What is the theory of orthogenesis? orthogenesis, alsoRead More →

Mores are the customs, norms, and behaviors that are acceptable to a society or social group. … Mores and morals have similar meanings — mores are the morals of a group or society itself. They are not necessarily based on written law and they can change. The mores of theRead More →

1a : an act, process, or instance of transposing or being transposed. b : the transfer of a segment of DNA from one site to another in the genome. 2a : the transfer of any term of an equation from one side over to the other side with a correspondingRead More →

Religious fundamentalism is the movement based on belief of a community (or individuals) in absolute authority of the sacred texts of its own religion or faith. They believe that their own religion is beyond any fault and thus, should be forced on others. What did the fundamentalists believe? In keepingRead More →

The Virus must carry out their reproduction by parasitizing a host cell. … b. They cannot multiply outside a living cell. What is the meaning of facultative parasites? Definition. noun, plural: facultative parasites. An organism that lives independent of a host but may occasionally be parasitic under certain conditions. WhatRead More →

non-person noun. someone who is not important. How do you use unnecessary? unnecessary They were found guilty of causing unnecessary suffering to animals. All this fuss is totally unnecessary. it is unnecessary to do something It was unnecessary to carry out more stringent safety testing. How do you use unnecessaryRead More →

Chlorofluorocarbons (CFCs) contain Carbon and some combination of Fluorine and Chlorine atoms. … For example, HCFC-142b identifies the isomer in which all three hydrogen atoms are attached to the same carbon atom, and the structural formula is written as CH3CF2Cl. What is chlorofluorocarbon in biology? chlorofluorocarbon (CFC), any of severalRead More →

Common examples of VOCs that may be present in our daily lives are: benzene, ethylene glycol, formaldehyde, methylene chloride, tetrachloroethylene, toluene, xylene, and 1,3-butadiene. What is included in VOC? VOCs typically are industrial solvents, such as trichloroethylene; fuel oxygenates, such as methyl tert-butyl ether (MTBE); or by-products produced by chlorinationRead More →