Two species of lizard live on the same tree and consume the same sorts of food. Regardless, neither species is in direct competition with the other. The key to this scenario is that one of the species is nocturnal; the other is diurnal. What is this called?
a. parasitism
b. symbiosis
c. resource partitioning
d. herbivory
Ans: c. resource partitioning
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Dosage refers to the number of copies of each gene in a chromosome
A. true B. false
Which of the following statements regarding gonorrhea is incorrect?
A. Pelvic inflammatory disease (PID), epididymitis, and infertility are complications. B. It is a sexually transmitted infection. C. Females can have asymptomatic infections. D. A chancre-type lesion develops at the portal of entry. E. Symptoms include painful urination and discharge.
All of the following statements concerning the evolutionary species concept are true EXCEPT
A. an evolutionary "family tree" is used to identify species based on a common ancestor. B. it relies on identification of certain morphological traits to distinguish one species from another. C. abrupt changes in traits are indicative of the evolution of a new species in the fossil record. D. it requires that the members of a species share a distinct evolutionary pathway.
Which of the following accurately states the goal of biological classification?
a) the acknowledgement that ancestral eukaryotes gave rise to ancestral bacteria and archaeans b) a way to include all biological entities, including viruses, in the tree of life c) the separation of all organisms into four separate kingdoms d) the grouping of organisms into categories that reflects their evolutionary history e) the grouping of organisms into three large polyphyletic categories