A) meiosis B) splitting in two C) binary fission D) replication
A) It is identical. B) It is a mix of the parent's DNA. C) It has some similarities and some differences. D) It is only half of the amount of DNA found in the parent.
A) six B) four C) two D) one
A) Traits that make the the most attractive. B) Traits like the parents. C) Traits favorable for survival. D) Traits that make them the smartest.
A) mitosis B) crossing over C) mutations D) meiosis
A) meiosis B) crossing over C) mitosis D) independent assortment
A) Two parents contribute DNA. B) Mitosis I and II mix up the DNA. C) Prophase and anaphase mix up the DNA. D) Crossing over and independent assortment mix up the DNA from the mother and father.
A) binary fission B) asexual C) sexual D) budding
A) When the environment is just like the one the parent lived in successfully. B) When many offspring are needed in a short amount of time. C) When no mates can be found. D) When the enviroment is changing and fast reproduction is needed.
A) They may become extinct. B) They will have to find new ways to care for the offspring. C) They will have to learn to eat different foods. D) They will have to learn to attract mates from other areas.
A) one B) six C) two D) four
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.
A) sexaul reproduction B) asexual reproduction C) gene pool D) DNA |