Refer to figure 35.27 and the chapter content to answer the following questions.

1. Review the Survey the Landscape figure in the chapter introduction and the Pull It Together concept map. Explain why an evolutionary biologist might say that the reproductive system is “selfish” compared to the body’s other organ systems.

2. Add ovulation to the concept map. What hormonal changes typically accompany ovulation? Add those hormones to the concept map as well.

3. Write into the concept map the approximate time after fertilization that each of the following structures is present: preembryo, embryo, fetus, newborn.

4. Add the terms placenta, follicle, polar body, gonad, gametes, meiosis, and mitosis to this concept map.

Figure 35.27

Transcribed Image Text:

Reproductive system in males, includes in females, includes Testes Ovarles contain cells contain cells that undergo that undergo Spermatogenesis Oogenesis gives rise to gives rise to Sperm cells Egg cells come together at Fertilization results in Zygote developmental stages include Preembryonic Embryonic Fetal Birth