#Question id: 10244
#XL - T Zoology
Ecological niche modelling is used to predict the distributions of species. As a general rule, which of the following statements is true?
#Question id: 4607
#XL - T Zoology
Members of two different species possess a similar-looking structure that they use in a similar way to perform about the same function. Which of the following would suggest that the relationship more likely represents homology instead of convergent evolution?
#Question id: 11395
#XL - S Microbiology
Mitochondria are thought to be the descendants of certain alpha -proteobacteria. They are, however, no longer able to lead independent lives because most
genes originally present on their chromosome have moved to the nuclear genome. Which phenomenon accounts for the movement of these genes?
#Question id: 3484
#XL - T Zoology
Modern behavioral concepts relate the cost of a behavior to its benefit. Under which relationship might a behavior be performed?
A) cost is greater than the benefit
B) cost is less than the benefit
C) cost is equal to the benefit
#Question id: 5088
#XL - T Zoology
If gastrulation was blocked by an environmental toxin, then ________.