A cohort is ____
a. a collection of same-aged individuals of the same species
b. any member of the same species
c. any member of the same species and sex within a population
d. a sexual mate
e. a litter mate or sibling within a large population
ANSWER: a
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What methods do fungi employ to disperse their spores? Select all correct choices
A. They can instruct plants to form "fake flowers," which attract pollinators that then disperse spores. B. They can produce pheromones similar to those of boars, which attract sows that disperse the spores. C. They can form fruiting bodies, which expel spores above "stagnant" air. D. They can highjack ants, creating "zombie ants" that (after death) disperse spores.
The life cycle of the Chinese liver fluke goes through which of the following sequences in its life history?
A. adult, shelled embryo, miracidium, cercaria, sporocyst, rediae, metacercaria, adult B. adult, shelled embryo, miracidium, sporocyst, rediae, cercaria, metacercaria, adult C. adult, shelled embryo, miracidium, metacercaria, sporocyst, rediae, cercaria, adult D. adult, miracidium, sporocyst, rediae, cercaria, metacercaria, shelled embryo, adult E. adult, shelled embryo, sporocyst, rediae, cercaria, metacercaria, miracidium, adult
If body cells have too few receptors for insulin, ________
A) the insulin level is likely to decrease B) the blood glucose level may rise to abnormal levels C) the liver will need to break down more glycogen D) more glucagon will be needed
Which of the following in NOT one of the 4 types of chromosomal aberrations?
A. translocation B. duplication C. inversion D. alternative reversions