Knowledge Check: Chapter 1

• Question 1

1 out of 1 points

	After rigorous statistical analyses have shown a very low likelihood (usually 5% or less) of a result having occurred by chance alone, the result is said to be ____.​
	Selected Answer: Correct Answer:

• Question 2

1 out of 1 points

	On a very hot summer day and a few months later on a very cold winter day, you go outside and take your temperature. Each time your body temperature is 98.6 degrees Fahrenheit. This example illustrates ____.​
	Selected Answer: Correct Answer:

• Question 3

1 out of 1 points

	An experimenter wanted to test the effects of cigarette smoking on rats. She infused the cages of 50 rats with cigarette smoke and the cages of another 50 rats with pure, clean air. The rats that received the clean air were the ____.​
	Selected Answer: Correct Answer:

• Question 4

1 out of 1 points

	What organism is defined as a multicelled organism that develops through a series of stages and moves about during part or all of its life?​
	Selected Answer: Correct Answer:

• Question 5

1 out of 1 points

	Which of the following represents the most correct order of the organization of life from the smallest unit to the largest?

• Question 6

1 out of 1 points

	Which of the following organisms is a multicelled producer?
	Selected Answer: Correct Answer:

• Question 7

1 out of 1 points

	The difference between results obtained from a subset and results obtained from the whole is known as the ____.​
	Selected Answer: Correct Answer:

• Question 8

1 out of 1 points

	Scientists perform ____ in order to ____ a given ____.​
	Selected Answer: Correct Answer:

• Question 9

1 out of 1 points

	All known species belong to one of three domains. What are these domains?​
	Selected Answer: Correct Answer:

• Question 10

1 out of 1 points

	An ecosystem is made up of ____.
	Selected Answer: Correct Answer: