Topic 5 - Evolution and biodiversity
Question 1
SLPaper 1The pentadactyl limbs of mammals, birds, reptiles and amphibians are examples of which kind of structures?
Question 2
SLPaper 1If seeds of an unknown species of plant are discovered, what assumption can be made about the species?
Question 3
HLPaper 1The scientific name of the great egret has recently been changed from Casmerodius albus to Ardea alba.
What is a possible reason for the reclassification of egrets?
Question 4
SLPaper 1What causes variation within a population?
Question 5
SLPaper 2Living organisms have been placed in three domains: archaea, eubacteria and eukaryote. Distinguish archaea from eubacteria.
List two types of evidence used to determine which species belong in the same clade.
Question 6
SLPaper 2The table gives common names and binomial names for some mammals.
State one feature that characterizes these species as mammals.
Identify the two species most closely related.
Identify two species from the list that are classified in different genera.
Question 7
SLPaper 2Isolated communities in rural Finland, Hungary and some of the Scottish islands have a high incidence of red-green colour blindness. Describe the inheritance of red-green colour blindness.
The human hand is an example of adaptive radiation. Outline adaptive radiation.
Explain how the human body defends itself against pathogens.
Question 8
SLPaper 1The scientific name of the Wakatobi flowerpecker is Dicaeum kuehni.
Which species is most closely related?
Question 9
SLPaper 1A dichotomous key can be used to distinguish four types of plant. Which of the plants could be a bryophyte?
Question 10
SLPaper 1What is the major contributor to the increase in antibiotic resistance in bacteria?
