Question: Answer the following question given this paragraph: The gonads are glands that secrete sex hormones. Male gonads are called testes. They secrete the male sex hormone testosterone. The female gonads are called ovaries. They secrete the female sex hormone estrogen. Sex hormones stimulate the changes of puberty. They also control the production of sperm or eggs by the gonads. Q: What stimulates the changes of pubery? A:
OPTIONS:
- sex education
- mutation
- parenting
- sex hormones
Answer: sex hormones

Question: Answer the following question given this paragraph: Draw the Lewis electron dot diagram for each substance. Double or triple bonds may be needed. Q: What structure shows the bonding between atoms, with dots representing available electrons? A:
OPTIONS:
- Mendelian model
- Pascal model
- string theory
- lewis structure
Answer: lewis structure

Question: Answer the following question given this paragraph: New species arise in the process of speciation. Allopatric speciation occurs when some members of a species become geographically separated. They then evolve genetic differences. If the differences prevent them from interbreeding with the original species, a new species has evolved. Sympatric speciation occurs without geographic separation. Q: What occurs when some members of a species become geographically separated? A:
OPTIONS:
- divergent speciation
- symbiotic speciation
- reflective speciation
- allopatric speciation
Answer:
allopatric speciation