lec 3- study design

Question 1

what is a hypothesis?

Answer 1

proposed explanation for an observed phenomenon

Question 2

what is a proximate hypothesis?

Answer 2

cause of immediate changes in individual phenotype or interactions

Question 3

what is ultimate hypothesis?

Answer 3

address the fitness costs and benefits of a response

Question 4

what are the types of ecological studies?

Answer 4

experimental (strong), comparative (weak), retrospective (medium), and modelling (weak, easy and fast)

Question 5

what do experimental studies require?

Answer 5

involve treatments and controls, multiple replicates, requires randomization

Question 6

what do error bars represent on a graph?

Answer 6

show variability

Question 7

what experimental study is common for immobile objects/ individuals?

Answer 7

factorial (punnet squares etc.)

Question 8

why is random sampling essential?

Answer 8

because only a select amount of individuals/sites can be measured, so randomness is required for accurate variation

Question 9

what is a retrospective study?

Answer 9

analysis over time, used to understand temporal dynamics