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פתור תרגול זה עכשיו
Asexual and Sexual Reproduction
  • 1. Bacteria reproduce asexually by a process called
A) meiosis
B) binary fission
C) splitting in two
D) replication
  • 2. In binary fission how does the DNA of the daughter cells compare to the DNA of the parent cell?
A) It has some similarities and some differences.
B) It is identical.
C) It is only half of the amount of DNA found in the parent.
D) It is a mix of the parent's DNA.
  • 3. How many parents are required for asexual reproduction?
A) one
B) two
C) four
D) six
  • 4. In order to survive and reproduce organisms need to have what type of traits?
A) Traits that make the the most attractive.
B) Traits favorable for survival.
C) Traits that make them the smartest.
D) Traits like the parents.
  • 5. How can asexually reproducing organisms gain some genetic diversity?
A) crossing over
B) mutations
C) mitosis
D) meiosis
  • 6. What process creates gametes for sexual reproduction?
A) crossing over
B) meiosis
C) independent assortment
D) mitosis
  • 7. Why does the process the creates gametes also create genetic diversity?
A) Crossing over and independent assortment mix up the DNA from the mother and father.
B) Two parents contribute DNA.
C) Mitosis I and II mix up the DNA.
D) Prophase and anaphase mix up the DNA.
  • 8. What type of reproduction is more condusive to evolution due to the increased genetic diversity it offers?
A) sexual
B) binary fission
C) asexual
D) budding
  • 9. When is being genetically identical to the parent an advantage for organisms?
A) When many offspring are needed in a short amount of time.
B) When the environment is just like the one the parent lived in successfully.
C) When the enviroment is changing and fast reproduction is needed.
D) When no mates can be found.
  • 10. If organisms cannot adapt to changing environmental conditions, what is likely to happen to the species?
A) They may become extinct.
B) They will have to learn to attract mates from other areas.
C) They will have to learn to eat different foods.
D) They will have to find new ways to care for the offspring.
  • 11. How many parents are required for sexual reproduction?
A) six
B) four
C) one
D) two
  • 12. Which of the following is a disadvantage for sexual reproduction?
A) A lot of time and energy is required for making gametes and finding mates.
B) The offspring are genetically different.
C) Offspring can be produced more quickly than by asexual means.
D) The genetic diversity makes organisms respond differently to environmental changes.
  • 13. If an organism doesn't reproduce its genes are lost from the
A) asexual reproduction
B) sexaul reproduction
C) DNA
D) gene pool
תלמידים שפתרו תרגול זה פתרו גם :
Mitosis 2
Evolution introduction microevolution and macroevolution
Patterns of evolution
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