A & P Chapter 1

"Occam's Razor" or concept of simplicity - assuming that the simplest explanation is the most effective explanation unless otherwise stated

[Variables are all variables that may change during the experiment, the goal is to control all variables except the variable under investigation (it is easier than done)].

Reading Thomas Malthus' paper on population principles in 1798, he pointed out that the population of life is geometrically increasing and the increase in food supply limits the population.

You can grab a branch with the thumb on the other side and wrap them with your thumb and fingers

Organ structure consists of two or more organization types that work together to perform specific functions

Tissue-a number of similar cells and cell products that form distinct regions of the organ and perform specific functions

Cell - the smallest unit of organism that fulfills all the basic functions of life; the "structural and functional units" of life

Control Center (Integration Center) - Process information from the receiver and send commands to the effector

Before the boy arrived at the island, it was a beautiful tropical paradise without being influenced by civilization. When a boy 's plane crashed, "A long wound struck the jungle" (1 page, Chapter 1) The island was as scared as the city frightened by the nuclear war. Damage to the island is caused by artificial things. And it indicates that the person is damaging. Whatever a man goes, he always brings destruction. The cobblestone pushed by the boy also represents the destructive and brute force of men. The boys had a wonderful time and brought destruction to the island. They even pretend to be bold like "bombs" (page 25, Chapter 1). Obviously, even in their enjoyment and games, male wildlife exists. Another example of human destructibility is to investigate the situation of the island when the boy first arrived and departed. Initially the island was represented as a life filled paradise. Boys completely destroyed the island in war

According to Mr. Wells, the first fundamental defect of mankind is self satisfaction. 3) In "First World War" people are considered to be the sole residents of the universe, and they are still dissatisfied about the dangers that may come from elsewhere. As scientists are looking at microscopic organisms under a microscope, they rarely know what they are observing by the creatures of the universe.