SBI3U Evolution unit test questions
with verified answers A+ rated
c - correct answer ✔✔According to Darwin's theory of natural selection, the individuals that
survive are those that have:
a. Characteristics that plant or animal breeder’s favor
b. The greatest number of offspring
c. Variations best suited for the environment
d. Characteristics their parents acquired by use and disuse
d - correct answer ✔✔Charles Darwin called the ability of an organism to survive and reproduce
in its environment
a. Diversity
b. Evolution
c. Fitness
d. Adaptation
c - correct answer ✔✔Which of the following statements is FALSE
a. A mutation is a change in the organism's DNA
b. All mutations are harmful
c. Evolution is the progression towards a perfect species
d. Mutations are rare events that can occur randomly or be the result of external factors
a - correct answer ✔✔Genetic drift occurs due to:
a. Random chance
, b. Natural selection
c. Migration
d. Artificial selection
d - correct answer ✔✔Which of the following statements regarding natural selection is FALSE
a. Natural selection is the differential survival and reproduction of individuals with certain traits
b. Natural selection acts on phenotypes
c. Natural selection causes evolutionary change whenever there is genetic variation for traits
affecting
fitness
d. Natural selection is random
a - correct answer ✔✔Fitness in an evolutionary sense is measured in:
a. The number of viable offspring produced
b. Physical performance
c. Lifespan
d. Ability to survive
b - correct answer ✔✔7. A necessary factor for the formation of news species is:
a. Physical barriers separating two populations
b. Reproductive isolation
c. Different mating behaviours
d. Different mating times
a - correct answer ✔✔8. Sexual selection will:
a. Select for traits that enhance an individual's chance of mating
with verified answers A+ rated
c - correct answer ✔✔According to Darwin's theory of natural selection, the individuals that
survive are those that have:
a. Characteristics that plant or animal breeder’s favor
b. The greatest number of offspring
c. Variations best suited for the environment
d. Characteristics their parents acquired by use and disuse
d - correct answer ✔✔Charles Darwin called the ability of an organism to survive and reproduce
in its environment
a. Diversity
b. Evolution
c. Fitness
d. Adaptation
c - correct answer ✔✔Which of the following statements is FALSE
a. A mutation is a change in the organism's DNA
b. All mutations are harmful
c. Evolution is the progression towards a perfect species
d. Mutations are rare events that can occur randomly or be the result of external factors
a - correct answer ✔✔Genetic drift occurs due to:
a. Random chance
, b. Natural selection
c. Migration
d. Artificial selection
d - correct answer ✔✔Which of the following statements regarding natural selection is FALSE
a. Natural selection is the differential survival and reproduction of individuals with certain traits
b. Natural selection acts on phenotypes
c. Natural selection causes evolutionary change whenever there is genetic variation for traits
affecting
fitness
d. Natural selection is random
a - correct answer ✔✔Fitness in an evolutionary sense is measured in:
a. The number of viable offspring produced
b. Physical performance
c. Lifespan
d. Ability to survive
b - correct answer ✔✔7. A necessary factor for the formation of news species is:
a. Physical barriers separating two populations
b. Reproductive isolation
c. Different mating behaviours
d. Different mating times
a - correct answer ✔✔8. Sexual selection will:
a. Select for traits that enhance an individual's chance of mating
