The deep-sea soft-bottom food chain is: ____
a. infauna ? meiofauna ? bacteria
b. bacteria ? meiofauna ? infauna
c. meiofauna ? bacteria ? infauna
d. meiofauna ? infauna ? bacteria
B
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Genetic drift occurs in a population. Which of the following statements might be true?
A) Genetic drift increased the population's fitness. B) Genetic drift decreased the population's fitness. C) The population was relatively small. D) The population experiences a decrease in genetic variation. E) Any of the statements can be true.
By itself, independent assortment of chromosomes increases the likelihood that individual daughter cells have ____
a. some paternal chromosomes and some maternal chromosomes b. only paternal chromosomes c. only maternal chromosomes d. chromosomes containing genes from both paternal and maternal chromosomes e. different numbers of chromosomes
Which of the following plants fits the
description of having flagellated sperm, xylem and phloem, and a short-lived gametophyte?
a. peat moss b. pine tree c. rose d. horsetail e. more than one of these
A favorite ascomycete for genetic research is
a Rhizopus stolonifer b. Neurospora crassa c. Penicillium chrysogenum d. Saccharomyces cerevisiae e. Candida albicans