31. Aside from the need to find a partner, which of the following is another maj

Question

31. Aside from the need to find a partner, which of the following is another major DISADVANTAGE of sexual reproduction? a) The two parents might not like each other. b) The offspring of sexual reproduction are genetically c) The offspring are better suited to survival in a changing environment. d) The offspring are identical to their parent s). e) Finding a mate can consume lots of energy and time. the same. 32. Which type of reproduction is disadvantageous when the environment is ever changing? a) budding b) sexual reproduction c) parthenogenesis d) fragmentation e) All EXCEPT the second choice are disadvantageous. 33. A disadvantage of asexual reproduction is that it: a) results in a dilution of genes. b) results in less genetic variation in a population. c) requires more behavioral interactions before reproduction. d) is less energetically efficient. e) All of the above choices are disadvantages of asexual reproduction. 34. Which of the following statements is TRUE about external fertilization in most species? a) Gamete production is often timed in males and females based on meteorological events. b) Gametes are often at risk of being washed away from each other in environments where external fertilization is used. c) Males and females make very large numbers of gametes. d) All of the above statements are true. e) None of the above statements is true. 35. Which of the following is an example of ovoviviparity? a) An embryo is fertilized in the sea and then develops inside a pouch on a male seahorse. b) A male salmon squirts his milt (sperm) over eggs dropped in the gravels by the female, where the embryos then develop until birth. c) Birds lay fertilized embryos that develop in self-contained eggs with yolk. d) A mother cat carries several embryos inside her, where they develop using nutrients provided by the mother e) An embryo develops inside a female great white shark, but it is nourished from egg yolk that is packaged with it inside an egg 36. In which part of a sperm cell can mitochondria be found? a) head b) tail c) body d) All parts of a sperm cell contain mitochondria. e) A sperm cell does not have mitochondria.

Explanation / Answer

31 . The answer will be e) Finding a mate can consume lots of energy and time..

32. Answer will be e) all except the second choice are disadvantageous..

It is because these types of reproduction doesn't involve genetic variation..

33. Answer should be B) results in less genetic variation in a population..

34. Answer will be C) male and female make very large number of gametes..

35. Answer should be e) As embryo develop insides a female great White shark but it is nourished from egg yolk that is packaged with it inside an egg.

36. Answer will be C) body..

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