2. What were some of the things going on during this era that encouraged the need for formalized physical education? Teacher training to take the place of Normal (Teacher training) schools?

The eating disorders.

Explanation:

The eating disorders in kids and teenagers of this era, making emphasis on obesity has cornered the government to give a solution, in this case, with schools.

The tool that school have to fight this problem is physical education.

This is why schools have formalized that subject. Also, there is the need of having prepared teachers to give this subject.

juvenile deliquescence and bad eating habit

Explanation: To solve this problem the need for physical education is needed and also Teachers training. Teachers training education or teacher training which refers to the policies, procedures, and provision designed to equip (prospective) teachers with the knowledge, behaviors, attitudes and skills they require to perform their tasks effectively in the classroom, school, and wider community. The professionals who engage in training the prospective teachers are called teacher educators (or, in some contexts, teacher trainers).

answer: decrease

a limiting factor is the one which decrease the abundance, distribution and causes extinction of the population of species in a ecosystem. here, predators including hawks, owls and snakes are the limiting factor for the population of mexican free tailed bat.   although bats are nocturnal animals as they forge for food at night these predators also may remain active during night which can decrease the population of the mexican free-tailed bats. also, these bats eat only one type of insects that are moths. the food can also be a limiting factor as all 400 members are dependent upon same type of food needs that are moths. the decrease in the moth population can cause decrease in population size of the mexican free-tailed bats.

therefore, the scenarios will most likely to decrease the population size of the mexican free-tailed bats.