Ch. 1 & statistics

Question 1

how do you find the mean?

Answer 1

add all numbers up and divide by how many #s there are

Question 2

how do you find the median?

Answer 2

the number in the middle

Question 3

how do you find the mode?

Answer 3

whichever number appears the most

Question 4

how do you find the range?

Answer 4

subtract lowest number from highest number

Question 5

what are the properties of life?

Answer 5

energy processing, regulation, order, evolutionary adaption

Question 6

List the levels of organization in order

Answer 6

atoms, molecules, organelle, cells, tissue, organs, organ system, organism, population, communities, ecosystems, biosphere

Question 7

whats reflective of the phrase “the whole is greater than the sum of its parts”?

Answer 7

emergent properties

Question 8

what are the three domains of life?

Answer 8

Bacteria, Archaea, Eukarya

Question 9

what do protists have that bacteria do not have?

Answer 9

membrane-bound nucleus

Question 10

what do eukarya and archaea have in common?

Answer 10

DNA and cytosol

Question 11

what is a hydroxyl group?

Answer 11

-OH

Question 12

what is an amino group?

Answer 12

NH2

Question 13

how do you calculate standard deviation?

Answer 13

1. You subtract each data point from the mean and square it
2. Add those values together
3. Divide that by n-1 and square root it

Question 14

how do you calculate standard error?

Answer 14

divide the standard deviation by the square root of n