Each tip of the phylogenetic tree above represents:
a. an extinction. c. a living or extant taxa.
b. a domain. d. Any of the above.
C
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Answer the following statements true (T) or false (F)
1. Homologous chromosomes are identical copies of each other. 2. Mitotic cell division is never used by organisms as a means of reproduction. 3. A diploid queen honeybee produce eggs by meiosis. Some of these eggs are never fertilized, while the rest are. These unfertilized eggs develop into haploid male honeybee. This can be an example of sexual reproduction. 4. For any given species, cells in metaphase II of meiosis would contain 2? more genetic material than cells in metaphase of mitosis. 5. The karyotype of a normal human male would show a total of 23 pairs of homologous chromosomes.
Which statement is NOT true about the human respiratory system?
A. The glottis is closed by the forward movement of the soft palate during swallowing. B. Food and air both enter the pharynx, presenting a potential danger to respiration. C. The glottis is the passageway through the larynx by which air enters the trachea. D. Air reaching the lungs has been warmed to body temperature by passage through the nose and upper respiratory passageways. E. Cilia and hairs in the nose help to filter out foreign materials in the air.
________ evolution results in similar anatomical features between unrelated organisms that may be misleading in determining species relationships
Fill in the blank(s) with correct word
A poker player refuses to bet on hands with a pair of aces after losing four consecutive hands with a pair of aces. What is wrong with this logic?
A. Confirmation bias B. Over-optimism bias C. Predictable-world bias D. Selection bias