Answer to Question #174606 in Microbiology for aliya

Question #174606

1.     Explain chemical warfare and its role in predator-prey interactions. Provide an example of the use of chemicals or toxins. (2 marks)

Chemical warfare is a toxic poison that is used to kill or injurer an enemy. An example that used chemical warfare is that a monarch butterfly lay its eggs on the milkweed plant. When the eggs hatch, they consume the toxic poison. The caterpillars store the poison in their tissues as a defense against their own predators.  


2.     Explain what having a RLF of 2.1 means. What happens to a population if it is less than the RLF? (2 marks)


Replacement level fertility (RLF) is an average number at which a population replaces itself from one generation to the next without migration. If a population is less than RLF then this raises concerns for the population and as a result, incentives are offered to couples so they can have more children. 

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