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