Answer:
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The statement "The insect vectors have six legs and include ticks, mosquitoes, and lice" is True.
Vectors are living organisms which can transfer infectious pathogens among humans and also from animals to humans.
Insect vectors include the bloodsucking insects, which take-in the disease-causing microorganisms (pathogens) during a blood meal from an infected host (human or animal) and transfer it to a new host afterwards.
Oftentimes, when a vector turns infectious, it is competent enough to transmit the pathogen for the rest of its life during every successive bite or blood meal.
Mosquitoes are vectors of Malaria, tick-borne encephalitis is transmitted by ticks whereas Typhus is transmitted by lice.
To learn more about pathogens here
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Clear because there is the sun
Dogs can regulate their body temperature by the time they are 7 weeks old.
Dogs have remarkable internal mechanisms that maintain their body at the proper temperature at all times, irrespective of the air temperature because they are unable to endure large changes in their body temperatures.
Dogs do not perspire through the skin as people do due to their insulating coats.
A comfortable winter temperature for most dogs is between 68 and 72 degrees. The same considerations mentioned above for selecting a safe, comfortable summer temperature setting apply to selecting a winter thermostat setting.
Learn more about a dog's body temperature at
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1. The appearances of fireflies at dusk is an example of a circadian rhythm because it's happens daily. The correct option among all the options that are given in the question is the third option or option "c".
2. During migration, animals undertake a seasonal movement. The correct option among all the options that are given in the question is the first option or option "a".
