How long is the life cycle of Australian sheep blowfly?
a. 9-19 days
b. 10-20 days
c. 11-21 days
d. 12-23 days
Ans: c. 11-21 days
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Microsporidia are unicellular parasites of animals
____________________ Indicate whether the statement is true or false.
When mosquitoes are abundant, purple martins flock to the area and feed exclusively on them. When mosquito populations are not large, purple martins are similarly scarce and feed on other insects. This is an example of
A) density-dependent regulation. B) exotic regulation. C) ecosystem carrying capacity. D) density-independent regulation. E) community carrying capacity.
If one wanted to find the largest number of endemic species, one should visit which of the following geological features
A) an isolated ocean island in the tropics B) an extensive mountain range C) a midcontinental grassland with extreme climatic conditions D) a shallow estuary on a warm-water coast
Cyclical parthenogenesis is a form of:
a. heterogony. b. asexual reproduction. c. obligate sexual reproduction. d. obligate asexual reproduction. e. A and B.