Justine, Whose Mother Is a Fitness Buff, Joined a Gymnastics

question 43

Multiple Choice

Justine, whose mother is a fitness buff, joined a gymnastics club at the age of 2. Which of the following is a likely outcome for Justine?

• A) She will acquire gross-motor skills earlier than her peers.
• B) She will soon lose interest in gymnastics.
• C) She will be more influenced by her coach than by her mother.
• D) She will be a lifelong sports enthusiast.

Identify examples of speciation occurring with and without geographic isolation.

Understand the role of genetic mechanisms in reproductive isolation and speciation.

Describe the importance of ecological opportunities and selection pressures in speciation.

Explain the significance of morphological, behavioral, and temporal isolating mechanisms in speciation.

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Definitions:

Sex Chromosomes

Chromosomes responsible for determining the biological sex of an organism, notably the X and Y chromosomes in mammals that govern male and female traits.

Population Percentage

A numerical representation that shows a part of the total population as a percentage of the whole.

23rd Chromosome

Refers to one of a pair of chromosomes in humans that determines an individual's sex; females have two X chromosomes, males have one X and one Y chromosome.