types of variation (chapter 10)

Question 1

types of variation

Answer 1

interspecific variation - variation between members of different species.
intraspecific variation - variation between organisms within a species.

Question 2

causes of variation

Answer 2

• differences in an organisms genetic material
• different enviroments in which organisms live

Question 3

genetic causes of varitaion

Answer 3

• different alleles in genes
• mutations in the DNA sequence
• independant assortment and crossing over in meiosis

Question 4

what is standard deviation

Answer 4

the measure of how spread the data is, a large standard deviation mean there is more variation.

Question 5

student’s t test

Answer 5

used to compare the means of data values of two populations

Question 6

spearman’s rank correlation coefficient

Answer 6

used to consider the relationship between two sets of data
- no correlation means no relationship between the data, positive means both increase/ decrease in value, negaitive means one set of data increases other decreases.