Which of the following events occurs during meiosis?
a. All of the choices
b. Corresponding segments are exchanged between nonsister chromatids.
c. Nonsister chromatids break at the same point along their length.
d. The duplicated homologous chromosomes become attached and precisely aligned.
a
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A complex, interrelated network of organisms and the surrounding nonliving environment in a defined area is a(n)
A) ecosystem. B) population. C) biosphere. D) community. E) biome.
What is the location of the third stage of aerobic respiration?
a. Matrix b. Inner mitochondrial membrane c. Chloroplast d. Stroma e. Cytoplasm
The trachea and upper bronchial tree are similar in that both are held open by cartilaginous rings.
Answer the following statement true (T) or false (F)
Which of the following pairs of names is NOT a match?
A. Piciformes/woodpeckers B. Falconiformes/eagles, hawks, vultures C. Passeriformes/robins, starlings, sparrows/warblers, etc. D. Anseriformes/ducks, geese/swans E. Galliformes/owls