Based on the tree shown above, the presence of complex, multicellular fruiting bodies in Basidiomycete and Ascomycete lineages is an example of:
A. convergent evolution.
B. a homologous trait.
C. a synapomorphy uniting basidiomycetes
and ascomycetes as sister taxa.
D. a parsimonious trait.
E. an ancestral character state.
A
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This hemorrhagic fever causes disease in humans and nonhuman primates such as chimpanzees, gorillas, and monkeys. It is identified in the laboratory using which type of assay?
a. Immunodiffusion b. Peptide nucleic acid fluorescence in situ hybridization (PNA-FISH) c. Transcription-mediated amplification (TMA) d. Reverse-transcriptase polymerase chain reaction (PCR)
Which of the following references clusters of connected neurons?
a. nerve lobes b. attenuations c. motor nerves d. ganglia
The chromosomes are moving to opposite poles during
a. prophase. b. metaphase. c. interphase. d. anaphase. e. telophase.
Gravity-sensing mechanisms of many organisms are based on ____.
A. spicules B. statoliths C. uric acid crystals D. sclereids E. nematocysts