An advantage of sexual reproduction is that A. asexual reproduction allows the s

Question

An advantage of sexual reproduction is that A. asexual reproduction allows the species to endure long periods of unstable environmental conditions, B. asexual reproduction enhances genetic variability in the species. C. asexual reproduction enables the species to rapidly colonize habitats that are favorable to that species. D. asexual reproduction produces offspring that respond effectively to new pathogens E. asexual reproduction allows a species to readily rid itself of harmful mutations. Question 17 All individuals of a particular species of whiptail lizards are females. Their reproductive efforts depend on A. fertilization of their eggs by males of other lizard species. B. gonadal structures that only undergo mitosis. C. meiosis followed by a doubling of the chromosomes in eggs. D. budding prior to the development of a sexual phenotypc. E. fragmentation via autolysis. Question 18 Which of the following terms best describes the sex of the animal shown in this picture Testes Functional Ovaries A. Female B. Male C. Hermaphrodite D. Protandrous E. Confused Question 19 Which of the following events initiates the fast block to polyspermy? A. Sperm contact with the jelly layer B. Sperm contact with the cell membrane C. The acrosome reaction D. The increase in cytoplasmic calcium concentration E. The fusion of the pronuclei

Explanation / Answer

16. c. helpful toeffectively and quickly colonise the favorable spots.

17. b.

18. hermaphrodite

19. sperm contact with jelly layer

20.A sperm contact with the vitelline jelly

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