Horizontal gene transfer has been implicated in the evolution of antibiotic resistance in bacteria.
What is evolution?
Evolution is the gradual change in the inherited traits of biological populations over several generations. These traits are the expressions of DNA is passed down through reproduction from parent to offspring. Because of mutation, genetic recombination, as well as other sources of genetic variation, different traits frequently exist within a population. This variation is subjected to evolutionary processes like natural selection (including mate choice) as well as genetic drift, which cause some traits to become more or less prevalent within a population. This is when evolution occurs. Heritable traits evolve over successive generations as a result of shifting evolutionary pressures which determine whether a trait would be common as well as rare within a population.
To learn more about evolution
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<span>Two major structural differences between cells from kingdoms plantae and animalia; PLANT CELL wall, primarily composed of cellulose, is what provides the whole plant structure support and rigidity.
Animal cells do not have a cell wall, which typically distinguishes them from other The primary function of plant cells is to carry out photosynthesis because of the presence of chlorophyll in their chlorophyll.
Animal cells are unable to synthesize their own food, hence are always dependent on plants.</span>
The correct answer is B. Pheromones are released into the environment rather than being held within the body.
Explanation
Pheromones are chemical substances secreted by living beings, in order to cause specific behaviors in other individuals of the same species. They are a means of transmitting volatile signals produced in liquid form, which are then dispersed throughout the environment. This is used by different species of plants and animals as a means of communication and almost all send one or more codes by this means, both to attract or reject each other sexually as well as for other purposes. According to the above, the correct answer is B. Pheromones are released into the environment rather tan being held within the body.
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