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- Question 1 of 20
Darwin’s ideas on evolution by natural selection were influenced byCorrectIncorrect
- Question 2 of 20
Which of the following statements about the evolution of humans is believed to be TRUE?CorrectIncorrect
- Question 3 of 20
On average, which ecosystem has the LOWEST net primary productivity per unit area?CorrectIncorrect
- Question 4 of 20
A researcher measures the height of 100 trees of a species. The mean of these observations is 50 and the variance is 16. The standard error of the mean calculated from these observations is ______CorrectIncorrect
- Question 5 of 20
A researcher tested for the presence of parasitic infection in 100 male and 100 female deer. Forty males and 30 females were found to be infected. To test if males are significantly more susceptible to infection than females, which of the following is an appropriate statistical test?CorrectIncorrect
- Question 6 of 20
The frequency of the dominantred allele (R) in a population of diploid organisms is equal to the frequency of the recessive white allele (r). The frequency of red individuals assuming Hardy-Weinberg equilibriumis(express the frequency using decimal notation, not as a fraction or a percentage) _______________________CorrectIncorrect
- Question 7 of 20
Two sympatric species of fruit flies congregate on the fruit of two closely related species of trees for mating. The cue most likely to be used by these fly species to locate their mates from a long distance would beCorrectIncorrect
- Question 8 of 20
The slope of a function is zeroCorrectIncorrect
- Question 9 of 20
According to foraging theory, if two food items are commonly available and equally abundant, an optimal forager should choose the item thatCorrectIncorrect
- Question 10 of 20
Phenotypic plasticity refers toCorrectIncorrect
- Question 11 of 20
Death feigning behaviour (i.e., pretending to be dead when attacked) is found in snakes and millipedes. This similarity in behaviour between snakes and millipedes is an example ofCorrectIncorrect
- Question 12 of 20
To evaluate the relationship between two variables (e.g., resource abundance and population density), a linear regression can be used. Here, the statistical null hypothesis which allows us to evaluate whether there is a relationship between these variables isCorrectIncorrect
- Question 13 of 20
Which of the following conditions is NOT necessary for evolution by natural selection?CorrectIncorrect
- Question 14 of 20
C3, C4 and CAM are the main photosynthetic pathways in plants. The relative abundance of C3 plants __________________ with increasing latitude.CorrectIncorrect
- Question 15 of 20
The pyramidal structure of decreasing biomass with increasing trophic level in terrestrial ecosystems is a consequence of:CorrectIncorrect
- Question 16 of 20
Typical green leaves from plants absorb light of the following colour/s:CorrectIncorrect
- Question 17 of 20
Christian Bergmann, a 19th century biologist, observed that related taxa showed increasing body size with increasing latitude. One explanation for this pattern, also called ‘Bergmann’s Rule’, isCorrectIncorrect
- Question 18 of 20
All else being equal, in a species with two sexes, which of the following is true with regard to mate choice?CorrectIncorrect
- Question 19 of 20
Temperate organisms have wider tolerance ranges for temperature than do tropical organisms. If temperatures increase across the globe by 2°C, which of the following is possible?CorrectIncorrect
- Question 20 of 20
The length of Henle’s loop in the kidneys of rodents is longest inCorrectIncorrect