Which of the following groups has the largest average number of chromosomes?
a. Bryophytes d. Gymnosperms
b. Lycophytes e. Algae
c. Angiosperms
B
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According to the figure above, which of the following explains why the red panda is an important species to preserve?
A) Red pandas are a symbol of conservation efforts. B) Red pandas live in areas that are critically endangered. C) Seals are more important to preserve than the red panda because the ocean environment is critically endangered. D) Phylogenetically distinct species are high-priority species to target for conservation.
How many chromatids are present in prophase I of meiosis I in a diploid cell, 2n = 12?
A) 6 B) 12 C) 24 D) 48
Contact of a sea urchin egg with signal molecules on sperm causes the egg to undergo a brief _____
A) mitosis B) membrane depolarization C) vitellogenesis D) acrosomal reaction
Which of the following statements regarding mitosis and meiosis is false?
A) Mitosis provides for growth and tissue repair. B) Meiosis provides for asexual reproduction. C) In mitosis, the chromosomes replicate only once in the preceding interphase. D) All the events unique to meiosis occur during meiosis I.